CN114932925B - Manufacturing method of hexagonal high-performance composite material anti-creeper - Google Patents
Manufacturing method of hexagonal high-performance composite material anti-creeper Download PDFInfo
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- CN114932925B CN114932925B CN202210571470.8A CN202210571470A CN114932925B CN 114932925 B CN114932925 B CN 114932925B CN 202210571470 A CN202210571470 A CN 202210571470A CN 114932925 B CN114932925 B CN 114932925B
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000011229 interlayer Substances 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 239000011159 matrix material Substances 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 239000012783 reinforcing fiber Substances 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 11
- 238000009787 hand lay-up Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 239000004645 polyester resin Substances 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 239000007769 metal material Substances 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 241000219098 Parthenocissus Species 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009745 resin transfer moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/04—Bumpers or like collision guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
- B29C70/342—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Vibration Dampers (AREA)
Abstract
The invention provides a manufacturing method of a hexagonal high-performance composite material anti-creeper, belongs to the field of composite material application, and particularly relates to a manufacturing method of a hexagonal high-performance composite material anti-creeper. Solves the problem that the prior anti-creep device is difficult to meet the anti-collision energy absorption requirement. The method comprises the following steps: forming the hexagonal energy-absorbing tube with the appearance being trimmed by an interlayer reinforcing process, and perforating holes on the wall of a matrix tube of the hexagonal energy-absorbing tube according to the designed positions; the wall of the base body of the pipe is perforated according to the design position; step two: impregnating the continuous fibers with resin, twisting to form interlayer reinforced fiber bundles, and sequentially passing through the holes from the inside of the matrix of the hexagonal energy absorption tube to the outside of the matrix and from the outside of the matrix to the inside of the matrix; step three: and (3) paving the soaked fiber fabric on the outer surface of the hexagonal energy absorption tube matrix, and finishing the forming of the hexagonal energy absorption tube. It is mainly used for the design of vehicle collision safety.
Description
Technical Field
The invention belongs to the field of composite material application, and particularly relates to a manufacturing method of a hexagonal high-performance composite material anti-creeper.
Background
The design of the collision safety of the railway vehicle is to design a vehicle collision avoidance system to enable the collision process to be carried out according to a reasonable sequence of manual regulation, so as to absorb the collision energy of the vehicle to the greatest extent, thereby protecting the personal safety of passengers and drivers and passengers to the greatest extent and reducing the vehicle damage caused by collision. To prevent climbing between vehicles when a train collides, a creeper is usually provided at the vehicle end. Deformation energy absorbing elements are typically provided behind the anticreeper.
The anti-creep device commonly used at present adopts metal structure more, along with the development of high-speed rail transit and the demand of structure lightweight design, traditional metal steel, aluminum alloy energy-absorbing structure has hardly satisfied crashproof energy-absorbing demand. The fiber composite material has the mechanical characteristics of high specific strength, specific rigidity and the like, and the characteristics of designability and light weight, so that the fiber composite material is widely applied to the fields of rail transit, aerospace and the like.
According to EN 15227, the anti-creeper should be effective in preventing the occurrence of a creeper when a metro vehicle of the same type collides with a 25km/h head, and is provided to prevent the occurrence of a creeper even when the vertical deviation reaches 40mm in consideration of the vertical deviation caused by wheel wear, vertical load, etc. This requires that the anticreeper have sufficient vertical strength and rigidity while having stable energy absorbing capability.
Compared with the traditional metal material, the composite material can improve the specific energy absorption of the structure and has the weight reduction effect. The fiber composite material has better rigidity and strength than the metal material in the fiber direction, but the interlayer performance of the composite material is much lower than that of the metal material. When the energy-absorbing device is impacted externally, the composite material structure is layered when the interlayer stress exceeds the material allowable value in the bearing process, so that the energy-absorbing efficiency is reduced.
Disclosure of Invention
In view of the above, the invention aims to provide a manufacturing method of a hexagonal high-performance composite material anti-creeper, so as to solve the problem that the existing anti-creeper is difficult to meet the anti-collision energy-absorbing requirement.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a hexagon high performance combined material anticreeper, it includes fixing base guiding device, hexagon energy-absorbing pipe and anticreeper, the material of hexagon energy-absorbing pipe is combined material, fixing base guiding device includes flange and hexagon guiding tube, hexagon guiding tube top is equipped with the reducing and warp, the diameter that the reducing warp is less than the diameter of hexagon energy-absorbing pipe, hexagon guiding tube bottom and flange joint, hexagon energy-absorbing pipe one end passes the flange and is connected with hexagon guiding tube inner wall cooperation, and the other end links to each other with anticreeper.
Furthermore, one end of the anti-creeping device is provided with anti-creeping saw teeth, the other end of the anti-creeping device is provided with a hexagonal groove, and one end of the hexagonal energy absorption tube is connected with the hexagonal groove in a matched mode.
Furthermore, the anti-creep device is made of metal.
Furthermore, the fixing seat guiding device is made of metal.
The invention also provides a manufacturing method of the hexagonal high-performance composite material anti-creeper, which comprises the following steps:
step one: forming the hexagonal energy-absorbing tube with the appearance being trimmed by an interlayer reinforcing process, and perforating holes on the wall of a matrix tube of the hexagonal energy-absorbing tube according to the designed positions;
Step two: impregnating the continuous fibers with resin, twisting to form interlaminar reinforced fiber bundles, and sequentially passing through the holes from the inside of the tube of the matrix of the hexagonal energy absorption tube to the outside of the tube and from the outside of the tube to the inside of the tube, wherein the interlaminar reinforced fiber bundles are ensured to be continuous;
Step three: after the interlayer reinforcing fiber bundles continuously penetrate through the hexagonal energy absorption tube matrix, the outer surface of the hexagonal energy absorption tube matrix is formed by using soaked fiber fabrics, a hand lay-up process is adopted to form the outer surface of the hexagonal energy absorption tube matrix, then a vacuum bag pressing method is adopted to jointly and secondarily solidify the surface hand lay-up fiber fabrics and the interlayer reinforcing fiber bundles, forming of the hexagonal energy absorption tube is completed, and the rigidity and strength of the interlayer reinforcing fiber bundles and the surface quality of the hexagonal energy absorption tube are ensured;
Step four: after the hexagonal energy-absorbing tube is formed, one end of the formed hexagonal energy-absorbing tube is fixedly connected with the anti-creep device, and the other end of the formed hexagonal energy-absorbing tube is pushed to enter the fixing seat guiding device to the reducing deformation position at the top of the hexagonal guiding tube under the action of axial and vertical loads to be matched and connected.
Still further, the diameter of the interlaminar reinforcing fiber bundles is phi 1-phi 3.
Further, the aperture diameter of the opening hole is phi 1-phi 3.
Still further, the thickness of the fiber fabric is 0.2mm.
Further, the interlayer reinforced fiber bundles and the fiber fabrics are carbon fibers, glass fibers, aramid fibers or basalt fibers.
Furthermore, the matrix material of the hexagonal energy absorption tube is epoxy resin, polyurethane resin or polyester resin.
Compared with the prior art, the invention has the beneficial effects that:
1. The hexagonal energy-absorbing pipe is made of the composite material, so that the specific energy-absorbing effect of the structure is improved, and compared with the traditional metal material, the hexagonal energy-absorbing pipe has better energy-absorbing effect and lighter weight;
2. according to the invention, the hexagonal energy-absorbing pipe is molded by an interlayer reinforcing process, and continuous reinforcing fiber bundles are added between the hexagonal energy-absorbing pipes, so that the interlayer bearing capacity is improved;
3. According to the invention, by arranging the interlayer reinforcing fiber bundles, after the hexagonal energy-absorbing tube matrix is cracked under the combined action of radial extrusion, axial compression and vertical bending load at the reducing deformation position of the hexagonal guide tube, the interlayer reinforcing fiber bundles are not broken and deform under the load, so that the energy-absorbing effect can be achieved, and the energy-absorbing efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a three-dimensional schematic view of the overall structure of a hexagonal high performance composite anti-creep device according to the present invention;
FIG. 2 is a schematic front view of a fixing base guiding device of a hexagonal high-performance composite material anti-climbing device according to the present invention;
FIG. 3 is a right side view schematically illustrating a structure of a fixing base guiding device of a hexagonal high-performance composite material anti-climbing device according to the present invention;
FIG. 4 is a schematic front view of a hexagonal energy absorber tube of a hexagonal high performance composite anti-creep device according to the present invention;
FIG. 5 is a schematic right-side view of a hexagonal energy absorber tube of a hexagonal high-performance composite anticreeper of the present invention;
FIG. 6 is a schematic bottom view of an anti-climbing device of a hexagonal high performance composite anti-climbing device according to the present invention;
FIG. 7 is a schematic top view of a structure of a anti-climbing device of a hexagonal high performance composite anti-climbing device according to the present invention;
FIG. 8 is a schematic front view of a structure of an anti-climbing device of a hexagonal high-performance composite anti-climbing device according to the present invention;
FIG. 9 is a three-dimensional schematic view of a structure of a anti-climbing device of a hexagonal high-performance composite anti-climbing device according to the present invention;
FIG. 10 is a schematic diagram of the hole sites of the hexagonal energy absorbing tube substrate walls of a hexagonal high performance composite anti-creep device according to the present invention;
FIG. 11 is a schematic diagram of the hole sites of the hexagonal energy absorbing tube substrate wall and the continuous perforation sequence of the reinforcing fiber bundles of the hexagonal high-performance composite material anticreeper according to the present invention;
FIG. 12 is a partial cross-sectional view of a hexagonal energy absorber tube and anti-creep device of a hexagonal high performance composite anti-creep device according to the present invention;
FIG. 13 is a partial cross-sectional view of a hexagonal energy absorber tube of a hexagonal high performance composite material anti-climbing device according to the present invention mated with a anchor block guiding device;
FIG. 14 is a partial cross-sectional view of a hexagonal energy absorber tube of a hexagonal high performance composite material anti-climbing device of the present invention coupled to a mount guide;
Wherein the lines and arrow directions of fig. 11 represent the sequential perforation order of the interlaminar reinforcing fiber bundles.
1-Fixing seat guiding device, 2-hexagon energy-absorbing pipe, 3-anticreeper, 4-flange, 5-hexagon guiding pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be noted that, in the case of no conflict, embodiments of the present invention and features of the embodiments may be combined with each other, and the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-14 for illustrating the present embodiment, a hexagonal high performance composite material anticreeper, it includes fixing base guiding device 1, hexagonal energy-absorbing pipe 2 and anticreeper 3, the material of hexagonal energy-absorbing pipe 2 is combined material, fixing base guiding device 1 includes flange 4 and hexagonal guiding pipe 5, hexagonal guiding pipe 5 top is equipped with the reducing and warp, the diameter that the reducing warp is less than the diameter of hexagonal energy-absorbing pipe 2, hexagonal guiding pipe 5 bottom is connected with flange 4, hexagonal energy-absorbing pipe 2 one end passes flange 4 and is connected with hexagonal guiding pipe 5 inner wall cooperation, and the other end links to each other with anticreeper 3, anticreeper 3 one end is equipped with the anticreeper sawtooth, and the other end is equipped with the hexagon recess, hexagonal energy-absorbing pipe 2's one end is connected with the hexagon recess cooperation.
The embodiment also provides a manufacturing method of the hexagonal high-performance composite material anti-creeper, which comprises the following steps:
Step one: forming the hexagonal energy absorption tube 2 with the appearance being trimmed by an interlayer reinforcing process, and perforating holes on the wall of a matrix tube of the hexagonal energy absorption tube 2 according to the designed positions, wherein the diameter of the perforating holes is phi 1-phi 3;
Step two: impregnating the continuous fibers with resin, twisting to form interlayer reinforcing fiber bundles phi 1-phi 3, and sequentially passing through the holes from the inside of the matrix of the hexagonal energy absorption tube 2 to the outside of the matrix and from the outside of the matrix to the inside of the matrix according to the sequence of lines and arrow directions in FIG. 11, wherein the interlayer reinforcing fiber bundles are ensured to be continuous;
Step three: after the interlayer reinforcing fiber bundles continuously penetrate through the matrix of the hexagonal energy absorption tube 2, forming and paving the soaked 0.2mm fiber fabrics on the outer surface of the matrix of the hexagonal energy absorption tube 2 by adopting a hand lay-up process, and then jointly secondarily solidifying the surface hand lay-up fiber fabrics and the interlayer reinforcing fiber bundles by adopting a vacuum bag pressing method to finish forming of the hexagonal energy absorption tube 2 and ensure the rigidity and strength of the interlayer reinforcing fiber bundles and the surface quality of the hexagonal energy absorption tube 2;
Step four: after the hexagonal energy-absorbing tube 2 is formed, one end of the formed hexagonal energy-absorbing tube 2 is fixedly connected with the anti-creep device 3, and the other end of the formed hexagonal energy-absorbing tube is pushed to enter the fixing seat guiding device 1 to the reducing deformation position at the top of the hexagonal guiding tube 5 under the action of axial and vertical loads to be matched and connected.
In this embodiment, the fixing seat guiding device 1 is connected with the base through the flange 4, the hexagonal energy-absorbing tube 2 is pushed into the hexagonal guiding tube 5 of the fixing seat guiding device 1 under the axial and vertical load actions, and as the diameter of the reduced diameter deformation in the hexagonal guiding tube 5 is smaller than that of the hexagonal energy-absorbing tube 2, the hexagonal energy-absorbing tube 2 is compressed and deformed at the reduced diameter deformation position in the hexagonal guiding tube 5, the hexagonal energy-absorbing tube 2 is simultaneously subjected to the combined actions of radial extrusion, axial compression and vertical bending load, and the hexagonal energy-absorbing tube 2 begins to deform and absorbs impact energy. The interlayer bearing capacity is improved due to the addition of interlayer reinforcing fiber bundles between the layers of the hexagonal energy absorption tubes 2. At the reduced diameter deformation position in the hexagonal guide pipe 5, the matrix of the hexagonal energy absorption pipe 2 can be compressed and cracked to generate matrix fragments, but the interlayer reinforcing fiber bundles cannot be broken and deform under the action of load, and the phenomenon of local buckling occurs, so that the energy absorption function is achieved, and the energy absorption efficiency is improved.
In this embodiment anticreep device 3 one end is equipped with the anticreep sawtooth, and the other end is equipped with the hexagon recess, the one end and the hexagon recess cooperation of hexagon energy-absorbing pipe 2 are connected, anticreep device 3's material is the metal material, and anticreep device 3's setting has effectively avoided climbing the emergence of car condition when the vehicle bumps.
The hexagonal energy absorption tube 2 forming process in the embodiment adopts a winding process, an RTM process, a laying process and a hand pasting process.
In this embodiment, the materials of the fixing base guiding device 1 and the anti-climbing device 3 are both metal materials.
In this embodiment, the diameter and the distribution density of the interlayer reinforcing fiber bundles are set according to the interlayer reinforcing degree of the hexagonal energy absorption tube 2.
The forming process of the hexagonal energy-absorbing tube 2 in this embodiment is applicable to circular, quadrilateral or other polygonal structures, and the forming process of the hexagonal energy-absorbing tube 2 in this embodiment is applicable to various polygonal structures.
In this embodiment, the interlayer reinforcing fiber bundles and the fiber fabrics are carbon fibers, glass fibers, aramid fibers or basalt fibers, and the specific stiffness and strength of the interlayer reinforcing fiber bundles and the fiber fabrics in the fiber direction are superior to those of the metal materials.
In this embodiment, the matrix material of the hexagonal energy-absorbing tube 2 is epoxy resin, polyurethane resin or polyester resin, and the matrix of the hexagonal energy-absorbing tube 2 is made of a composite material, so that the specific energy absorption of the structure is improved, and compared with the traditional metal material, the hexagonal energy-absorbing tube has better energy absorption effect and lighter weight.
The embodiments of the invention disclosed above are intended only to help illustrate the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (9)
1. A manufacturing method of a hexagonal high-performance composite material anti-creeper is characterized by comprising the following steps of: the utility model provides a hexagon high performance combined material anticreeper includes fixing base guiding device (1), hexagon energy-absorbing pipe (2) and anticreeper (3), the material of hexagon energy-absorbing pipe (2) is combined material, fixing base guiding device (1) include flange (4) and hexagon guiding tube (5), hexagon guiding tube (5) top is equipped with the reducing and warp, the diameter that the reducing warp is less than the diameter of hexagon energy-absorbing pipe (2), hexagon guiding tube (5) bottom is connected with flange (4), hexagon energy-absorbing pipe (2) one end passes flange (4) and is connected with hexagon guiding tube (5) inner wall cooperation, and the other end links to each other with anticreeper (3);
the manufacturing method of the hexagonal high-performance composite material anti-creeper comprises the following steps:
Step one: forming the hexagonal energy absorption tube (2) with the appearance being trimmed by an interlayer reinforcing process, and perforating holes on the wall of the matrix tube of the hexagonal energy absorption tube (2) according to the designed positions;
Step two: the continuous fibers are soaked in resin and twisted to form interlaminar reinforced fiber bundles, and the interlaminar reinforced fiber bundles sequentially pass through the holes from the inside of the tube of the matrix of the hexagonal energy absorption tube (2) to the outside of the tube and from the outside of the tube to the inside of the tube, so that the interlaminar reinforced fiber bundles are ensured to be continuous;
Step three: after the interlayer reinforcing fiber bundles continuously penetrate through the matrix of the hexagonal energy absorption tube (2), the outer surface of the matrix of the hexagonal energy absorption tube (2) is formed by using soaked fiber fabrics, a hand lay-up process is adopted to form and lay the fiber fabrics on the outer surface of the matrix of the hexagonal energy absorption tube (2), then a vacuum bag pressing method is adopted to jointly and secondarily cure the surface hand lay-up fiber fabrics and the interlayer reinforcing fiber bundles, the forming of the hexagonal energy absorption tube (2) is completed, and the rigidity and the strength of the interlayer reinforcing fiber bundles and the surface quality of the hexagonal energy absorption tube (2) are ensured;
Step four: after the hexagonal energy-absorbing tube (2) is formed, one end of the formed hexagonal energy-absorbing tube (2) is fixedly connected with the anti-creep device (3), and the other end of the formed hexagonal energy-absorbing tube is pushed to enter the fixing seat guiding device (1) to the reducing deformation position at the top of the hexagonal guiding tube (5) under the action of axial and vertical loads to be connected in a matched mode.
2. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the anti-creeping device is characterized in that anti-creeping saw teeth are arranged at one end of the anti-creeping device (3), a hexagonal groove is formed in the other end of the anti-creeping device, and one end of the hexagonal energy absorption tube (2) is connected with the hexagonal groove in a matched mode.
3. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the anti-creep device (3) is made of metal.
4. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the fixing seat guiding device (1) is made of metal.
5. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the diameter of the interlayer reinforcing fiber bundles is phi 1-phi 3.
6. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the aperture diameter of the open hole punching is phi 1-phi 3.
7. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the thickness of the fiber fabric is 0.2mm.
8. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the interlayer reinforcing fiber bundles and the fiber fabrics are carbon fibers, glass fibers, aramid fibers or basalt fibers.
9. The method for manufacturing the hexagonal high-performance composite anti-creeper of claim 1, wherein the method comprises the steps of: the matrix material of the hexagonal energy absorption tube (2) is epoxy resin, polyurethane resin or polyester resin.
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| CN202210571470.8A CN114932925B (en) | 2022-05-24 | 2022-05-24 | Manufacturing method of hexagonal high-performance composite material anti-creeper |
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| WO2014061384A1 (en) * | 2012-10-17 | 2014-04-24 | 国立大学法人岐阜大学 | Reinforcing fiber/resin fiber composite for production of continuous-fiber-reinforced thermoplastic resin composite material and process for manufacturing same |
| CN111845830B (en) * | 2020-08-25 | 2024-06-04 | 中车青岛四方车辆研究所有限公司 | Train passive collision energy absorbing device and rail train |
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| CN105835481A (en) * | 2015-12-31 | 2016-08-10 | 苏州振瑞昌材料科技有限公司 | Interlaminar reinforced fiber composite material and manufacturing method thereof |
| CN108340937A (en) * | 2018-03-21 | 2018-07-31 | 深圳市乾行达科技有限公司 | Composite material anti-climbing energy-absorbing device |
| CN217804733U (en) * | 2022-05-24 | 2022-11-15 | 哈尔滨玻璃钢研究院有限公司 | Hexagonal high-performance composite material anti-creeper |
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