CN109436099B - Regular polygon uniform-section anti-collision structure applied to composite material automobile threshold - Google Patents
Regular polygon uniform-section anti-collision structure applied to composite material automobile threshold Download PDFInfo
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- CN109436099B CN109436099B CN201811092982.6A CN201811092982A CN109436099B CN 109436099 B CN109436099 B CN 109436099B CN 201811092982 A CN201811092982 A CN 201811092982A CN 109436099 B CN109436099 B CN 109436099B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/04—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
- B62D29/043—Superstructures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
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Abstract
The invention relates to a regular polygon equal-section anti-collision structure applied to a composite material automobile threshold, which is characterized in that: comprises a body and an outer surface impact resistant layer; the outer side outline cross section of the regular polygon uniform-section fiber reinforced structure is in equal proportion to the inner side cross section of a cavity of an automobile threshold, a bonding gap of 0-1 mm is formed between the outer side outline cross section of the regular polygon uniform-section fiber reinforced structure and the inner side surface of the cavity of the automobile threshold, tough structural glue is filled in the bonding gap, the bonding thickness is 1mm, a fiber reinforced adhesive tape is wound outside the regular polygon uniform-section fiber reinforced structure body, an outer surface impact-resistant layer is wound outside the regular polygon uniform-section fiber reinforced structure body in the directions of 45 degrees and 45 degrees, and the number of winding layers is 1-3; the energy-absorbing filler is arranged in the body, and the energy-absorbing filler is a foam section with high energy-absorbing ratio or self-foaming hardening foam filled in the cavity. Through regular polygon uniform-section anti-collision structure external molded surface and automobile threshold internal positioning, the tough structure is adopted for bonding and fixing, the welding tool design is reduced, and the operation is simple and convenient.
Description
Technical Field
The invention relates to a regular polygon equal-section anti-collision structure applied to a composite material automobile threshold, which adopts a continuous fiber reinforced composite material and belongs to the technical field of automobile anti-collision protection devices.
Background
With the development of automobile technology, the requirements for passive safety of automobiles are gradually increased. The speed of the deformable movable barrier, which is one of the C-NCAP mandatory standard evaluations, is 50km/h when the deformable movable barrier collides with the side face of a vehicle, and the test and consideration of the structure and the strength of the door sill in the passive safety of the vehicle are exactly carried out, so that the anti-collision structure inside the door sill is directly related to whether the door sill can absorb and disperse enough collision energy when the collision occurs, the intrusion amount of the door sill is reduced, the injury to drivers and passengers is reduced, and the life safety of the drivers and passengers in the vehicle is protected. Meanwhile, light weight provides new requirements for the automobile industry, and the development of automobile parts meeting light weight and meeting the safety requirements of the industry becomes the development trend of the current automobile industry. At present, a plurality of commercial automobiles adopting composite materials as automobile structural parts are arranged on the market, and the application parts of the automobiles comprise composite material automobile top covers, composite material automobile floors, composite material automobile doorsills and the like. By utilizing the advantages of small density, high specific strength, anisotropy designability and the like of the composite material, the developed part has the characteristics of small mass, high strength, good fatigue resistance and the like. However, the related composite part design and the parts associated with the composite part also need to be newly and innovatively designed according to the new requirements and working conditions.
Taking a composite material automobile side wall and a composite material automobile threshold to which the composite material automobile side wall belongs as an example, the original mode of connecting a sectional type metal threshold reinforcing plate in the metal automobile threshold through a welding mode is not suitable for the composite material automobile threshold due to the part strength, the connection process, galvanic corrosion and the like.
Disclosure of Invention
Based on the above problems, the present invention provides a regular polygon equal-cross-section anti-collision structure applied to a composite material automobile threshold, which improves the structural strength of the composite material automobile threshold, reduces the intrusion amount of the automobile threshold when an automobile is laterally collided, absorbs impact energy to ensure the safety of passengers, and has the advantages of simple connection process, convenience in production and replacement, low cost, and no galvanic corrosion.
The technical scheme of the invention is realized as follows: a regular polygon uniform-section anti-collision structure applied to a composite material automobile threshold comprises a regular polygon uniform-section fiber reinforced structure and an energy-absorbing filler; the method is characterized in that: the regular polygon uniform-section fiber reinforced structure comprises a body and an outer surface impact-resistant layer; the outer side outline cross section of the regular polygon uniform-section fiber reinforced structure is in equal proportion to the inner side cross section of a cavity of an automobile threshold, a bonding gap of 0-1 mm is formed between the outer side outline cross section of the regular polygon uniform-section fiber reinforced structure and the inner side surface of the cavity of the automobile threshold, tough structural glue is filled in the bonding gap, the bonding thickness is 1mm, a fiber reinforced adhesive tape is wound outside the regular polygon uniform-section fiber reinforced structure body, an outer surface impact-resistant layer is wound outside the regular polygon uniform-section fiber reinforced structure body in the directions of 45 degrees and 45 degrees, and the number of winding layers is 1-3; the energy-absorbing filler is arranged in the body, and the energy-absorbing filler is a foam section with high energy-absorbing ratio or self-foaming hardening foam filled in the cavity.
The regular polygon uniform-section fiber reinforced structure body is composed of a plurality of regular polygon structural units.
The center of the regular polygon structure unit is provided with a force transmission reinforcing column, the force transmission reinforcing column is connected with the hard points of the regular polygon structure unit through a trapezoid reinforcing rib, the force transmission reinforcing column is used as a continuous columnar structure in the longitudinal direction of the vehicle body and can effectively transmit impact energy from frontal collision of the vehicle body, and meanwhile, the combination of the force transmission reinforcing column and the trapezoid reinforcing rib can effectively disperse and transmit side collision energy borne by the vehicle body to other regular polygon structure units in the regular polygon uniform-section fiber reinforced structure body.
The side length of the regular polygon structural unit is 5-30 mm, the number of the sides is more than or equal to 4, and a regular hexagon structural unit is preferred.
The thickness of the regular polygon structural unit is 2-3 mm.
The diameter of the force transmission reinforcing column is 3-5 mm.
The trapezoid reinforcing rib is an isosceles trapezoid, wherein the included angle between the trapezoid side and the height direction is 0-5 degrees, and the design of the trapezoid reinforcing rib utilizes the included angle between the trapezoid side and the height direction to enable the regular polygon uniform-section anti-collision structure to collapse and absorb energy along the inclination angle position when bearing strong lateral collision.
The regular polygon uniform-section fiber reinforced structure body is formed by soaking carbon fibers or woven carbon fiber preformed bodies laid along the length direction of the regular polygon uniform-section anti-collision structure through epoxy resin and curing the carbon fibers or the woven carbon fiber preformed bodies under a pultrusion process, the pultrusion speed range of the selected epoxy resin is 0.4-1 m/min, the carbon fibers laid along the length direction of the regular polygon uniform-section anti-collision structure can effectively bear the forward collision impact force of an automobile body, and the woven carbon fiber preformed bodies are adopted to design the bearing structure of the regular polygon uniform-section fiber reinforced structure body in a targeted manner.
The outer surface impact-resistant layer of the regular polygon uniform-section fiber reinforced structure is one or more of ultra-high molecular weight polyethylene fibers, aramid fibers, boron fibers, carbon fibers and glass fiber adhesive tapes which are soaked with resin.
The composite material automobile threshold structure has the advantages that the fiber composite material is adopted, the composite material automobile threshold structure is suitable for the composite material automobile threshold structure under the condition of light weight requirement, and galvanic corrosion risks existing when the original metal reinforcing structure is connected with the composite material automobile threshold are avoided; the production is carried out by adopting a pultrusion process, and the continuous, efficient and automatic production and manufacturing capabilities are achieved; the inner cavity adopts continuous fibers as a reinforcing material, the fiber reinforced adhesive tape is wound outside, the cavity is filled with high-energy-absorption-ratio foam, the strength and the rigidity of the composite material automobile threshold are effectively improved through reasonable internal structure design, the intrusion amount of the automobile threshold is reduced when a vehicle is in lateral collision, and the impact force of collision is effectively absorbed through the trapezoidal reinforcing ribs and the high-energy-absorption-ratio foam; through regular polygon uniform-section anti-collision structure external molded surface and automobile threshold internal positioning, the tough structure is adopted for bonding and fixing, the welding tool design is reduced, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic view of an assembly of a regular polygon equal-section impact protection structure and a composite material automobile threshold in an embodiment of the invention.
Fig. 2 is a schematic view of a regular polygon equal-section anti-collision structure in the embodiment of the invention.
Fig. 3 is a schematic cross-sectional view of a regular polygon equal-section anti-collision structure in the embodiment of the invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following description will be made in conjunction with the accompanying drawings and preferred embodiments of the present invention for describing specific embodiments, structures, features and effects of the regular polygon equal-section anti-collision structure applied to the composite material automobile threshold, and the detailed description will be provided below.
A regular polygon uniform-section anti-collision structure applied to a composite material automobile threshold comprises a regular polygon uniform-section fiber reinforced structure and an energy-absorbing filler; the method is characterized in that: the regular polygon uniform-section fiber reinforced structure comprises an inner cavity and an outer surface impact-resistant layer; the outer side outline cross section of the regular polygon uniform-section fiber reinforced structure is similar to the inner side cross section of a cavity of an automobile threshold in equal proportion, a bonding gap of 0-1 mm is formed between the outer side outline cross section of the regular polygon uniform-section fiber reinforced structure and the surface of an inner cavity of the automobile threshold, tough structural glue is filled in the bonding gap, the bonding thickness is 1mm, enough bonding force can be provided, and the size matching tolerance among parts can be absorbed; winding a fiber reinforced adhesive tape outside the regular polygon uniform-section fiber reinforced structure body, wherein impact-resistant layers on the outer surface of the regular polygon uniform-section fiber reinforced structure are wound outside the regular polygon uniform-section fiber reinforced structure body in the directions of minus 45 degrees and minus 45 degrees, and the number of winding layers is 1-3; the energy-absorbing filler is arranged in the inner cavity and adopts a foam section with high energy-absorbing ratio or self-foaming hardening foam filled in the cavity.
The regular polygon uniform-section fiber reinforced structure body is composed of a plurality of regular polygon structural units.
The center of the regular polygon structure unit is provided with a force transmission reinforcing column, the force transmission reinforcing column is connected with the hard points of the regular polygon structure unit through a trapezoid reinforcing rib, the force transmission reinforcing column is used as a continuous columnar structure in the longitudinal direction of the vehicle body and can effectively transmit impact energy from frontal collision of the vehicle body, and meanwhile, the combination of the force transmission reinforcing column and the trapezoid reinforcing rib can effectively disperse and transmit side collision energy borne by the vehicle body to other regular polygon structure units in the regular polygon uniform-section fiber reinforced structure body.
The side length of the regular polygon structural unit is 5-30 mm, the number of the sides is more than or equal to 4, and a regular hexagon structural unit is preferred.
The thickness of the regular polygon structural unit is 2-3 mm.
The diameter of the force transmission reinforcing column is 3-5 mm.
The trapezoid reinforcing rib is an isosceles trapezoid, wherein the included angle between the trapezoid side and the height direction is 0-5 degrees, and the design of the trapezoid reinforcing rib utilizes the included angle between the trapezoid side and the height direction to enable the regular polygon uniform-section anti-collision structure to collapse and absorb energy along the inclination angle position when bearing strong lateral collision.
The regular polygon uniform-section fiber reinforced structure body is formed by impregnating carbon fibers or woven carbon fiber preformed bodies laid along the length direction of the regular polygon uniform-section anti-collision structure with epoxy resin and curing the carbon fiber preformed bodies by a pultrusion process, wherein the pultrusion speed range of the selected epoxy resin is 0.4-1 m/min. The carbon fiber laid along the length direction of the regular polygon equal-section anti-collision structure is preferably adopted, so that the positive collision impact force of the vehicle body can be effectively borne, and the structural design and the process production are simpler and more convenient; if the woven carbon fiber preform is adopted, the bearing structure of the regular polygon equal-section fiber reinforced structure body can be designed in a targeted manner.
The outer surface impact-resistant layer of the regular polygon uniform-section fiber reinforced structure is one or more of ultra-high molecular weight polyethylene fiber, aramid fiber, boron fiber, carbon fiber and glass fiber adhesive tape soaked with resin, and through a +/-45-degree layering design, the outer surface load from lateral impact of a vehicle body is effectively borne, and the strength of the whole part of the regular polygon uniform-section anti-collision structure is improved.
The energy-absorbing filler in the regular-polygon uniform-section fiber reinforced structure body is a foam section with a high energy-absorbing ratio or self-foaming hardening foam filled in the cavity, and the impact energy received by the interior of the passenger compartment is buffered through plastic deformation of a foam hole structure, so that the safety guarantee of drivers and passengers in a vehicle is improved.
Regular polygon constant cross section anti-collision structure glue bonding mode through the toughness structure and be fixed in automobile threshold inner chamber, outside the toughness structure glue is guaranteeing regular polygon constant cross section anti-collision structure bonding fixed action, still can effective absorption and filter the vibration of part conduction to automobile threshold position.
Example 1
Fig. 1 is a schematic view of an assembly of a regular polygon equal-section impact protection structure 100 and a composite material automobile threshold according to an embodiment of the present invention. As shown in fig. 1, in the embodiment, the right outer contour surface of the regular polygon uniform-section impact protection structure 100 is attached to the inner cavity surface of the composite material automobile threshold inner panel 200, and the two are bonded and fixed by a tough structural adhesive; then coating tough structural adhesive on the left outer contour surface of the regular polygon uniform-section anti-collision structure 100, and bonding and fixing the tough structural adhesive with the inner cavity surface of the composite material automobile threshold outer plate; a bonding gap of 0-1 mm is arranged between the outer contour surface of the regular polygon uniform-section anti-collision structure 100 and the surface of the inner cavity of the composite material automobile threshold and is used as a coating space for the tough structural adhesive. The selected tough structural adhesive can effectively absorb and filter vibration of a part transmitted to the automobile threshold part while ensuring the bonding and fixing effects of the regular polygonal equal-section anti-collision structure. Through the assembly, the regular polygon equal-section anti-collision structure 100 forms an effective support and anti-collision structure inside the cavity of the composite material automobile threshold, the structural strength of the composite material automobile threshold is improved, the intrusion amount of the automobile threshold is reduced when an automobile is laterally collided, and impact energy is absorbed to ensure the safety of passengers.
Fig. 2 is a schematic view of the regular polygon equal-section anti-collision structure in this embodiment.
Fig. 3 is a schematic cross-sectional view of a regular polygon equal-cross-section anti-collision structure according to an embodiment of the present invention.
The regular polygon uniform-section fiber reinforced structure body 110 is composed of a plurality of regular polygon structural units 111, and the regular polygon structural units 111 are closely arranged to form an anti-collision structure which supports each other and transmits mechanics.
A force transmission reinforcing column 111-2 is designed at the center of the regular polygon structural unit 111. In the regular polygon structure unit 111, the force transmission reinforcing column 111-2 is connected with a hard point on the regular polygon structure unit 111 through the trapezoid reinforcing rib 111-1, the force transmission reinforcing column 111-2 serves as a continuous columnar structure in the longitudinal direction of the vehicle body and can effectively transmit impact energy from frontal collision of the vehicle body, and meanwhile, the combination of the force transmission reinforcing column 111-2 and the trapezoid reinforcing rib 111-1 can effectively disperse and transmit side collision energy borne by the vehicle body to other regular polygon structure units 111 in the regular polygon uniform-section fiber reinforced structure body.
Further, the trapezoid reinforcing rib 111-1 is an isosceles trapezoid, wherein an included angle between the trapezoid side and the height direction is 0-5 degrees, and the design of the trapezoid reinforcing rib utilizes the included angle between the trapezoid side and the height direction, so that the regular polygon equal-section anti-collision structure can collapse along the inclination angle position to absorb energy when bearing strong lateral collision.
In this embodiment, the regular polygon structural unit 111 is a regular hexagon, the preferred scheme is that the side length of the regular hexagon is 20 mm, and the preferred scheme is that the thickness of the regular polygon structural unit is 2 mm; preferably, the diameter of the force transmission reinforced column 111-2 is 3 mm; preferably, the angle between the trapezoidal side and the height direction is 3 DEG
According to the sizes of the parts, the pultrusion process die of the regular polygon uniform-section fiber reinforced structure body 110 is subjected to size design. In this embodiment, adopt the carbon fiber of laying along regular polygon uniform cross section anticollision structure length direction, soak through epoxy and solidify the shaping under pultrusion process, the epoxy pultrusion speed scope of chooseing for use is between 0.4~1 m/min, the carbon fiber of laying along regular polygon uniform cross section anticollision structure length direction that adopts can effectual bear the automobile body forward collision impact force, and structural design and technology production are more simple and convenient.
After the regular polygon uniform-section fiber reinforced structure body 110 is molded, the outer surface of the regular polygon uniform-section fiber reinforced structure body 110 is polished by using sand paper, so that a rough resin curing surface is provided in the subsequent process of winding and curing the impact-resistant layer 120 on the outer surface of the regular polygon uniform-section fiber reinforced structure body 110. The regular polygon uniform-section fiber reinforced structure body 110 is placed on a winding tool, then a fiber reinforced adhesive tape is wound outside the regular polygon uniform-section fiber reinforced structure body 110, the fiber reinforced adhesive tape is wound outside the regular polygon uniform-section fiber reinforced structure body 110 in the directions of +/-45 degrees and-45 degrees, the number of winding layers is 1-3, and the outer surface impact-resistant layer 120 of the regular polygon uniform-section fiber reinforced structure is formed. This embodiment adopts impact strength better, the aramid fiber reinforcing sticky tape that toughness is higher to twine through 45 layers of spreading the design and disturbing 2 layers, effectively bear the off-plane load that comes from automobile body side direction impact, improve regular polygon isotection anticollision structure's whole part intensity.
Furthermore, in the regular polygon uniform-section fiber reinforced structure body 110 after winding, reinforcing and forming, in the triangular cavity 130 formed by the trapezoid reinforcing ribs 111-1, foam section materials with high energy absorption ratio are filled or self-foaming hardening foam is injected in the cavity, the impact force applied to the interior of the passenger compartment is buffered by utilizing the shaping deformation of the foam hole structure to effectively absorb the collision energy, and the safety guarantee of drivers and passengers in the vehicle is improved. The foam section with the size consistent with that of the triangular cavity is adopted for filling, and the preparation method has the process advantages of simplicity in preparation, convenience in operation and the like.
Example 2
In this embodiment, the regular polygon uniform-section fiber reinforced structure body 110 in the regular polygon uniform-section anti-collision structure 100 is a multi-dimensional fiber reinforced preform in the regular polygon uniform-section fiber reinforced structure body 110 prepared by using an annular three-dimensional fiber knitting machine, the fiber knitting direction of the multi-dimensional fiber reinforced preform is customized according to the required stress condition, and then the multi-dimensional fiber reinforced preform is cured with epoxy resin to form the regular polygon uniform-section fiber reinforced structure body 110 under a traction device through pultrusion process equipment. Compared with the regular polygon uniform-section fiber reinforced structure body 110 formed by the carbon fibers laid along the length direction of the regular polygon uniform-section anti-collision structure in the first embodiment, the regular polygon uniform-section fiber reinforced structure body has more complex mechanical bearing potential capability and is more stable among fiber layers, but the forming process is complex and the forming speed is slow.
The above-described embodiments are not intended to limit the present invention in any way, and any equivalent embodiments of simple variations, modifications and other equivalent variations on the technical solutions of the present invention may be made without departing from the technical solutions of the present invention.
Claims (9)
1. A regular polygon uniform-section anti-collision structure applied to a composite material automobile threshold comprises a regular polygon uniform-section fiber reinforced structure and an energy-absorbing filler; the method is characterized in that: the regular polygon uniform-section fiber reinforced structure comprises a body and an outer surface impact-resistant layer; the outer side contour cross section of the regular polygon uniform cross-section fiber reinforced structure is in equal proportion to the inner side cross section of a cavity of an automobile threshold, a bonding gap of 0-1 mm is formed between the outer side contour cross section of the regular polygon uniform cross-section fiber reinforced structure and the inner side surface of the cavity of the automobile threshold, tough structural glue is filled in the bonding gap, the bonding thickness is 1mm, a fiber reinforced adhesive tape is wound outside a regular polygon uniform cross-section fiber reinforced structure body to serve as an outer surface impact resistant layer, the outer surface impact resistant layer is wound outside the regular polygon uniform cross-section fiber reinforced structure body in two directions of 45 degrees and 45 degrees, and the number of winding layers is 1-3; the energy-absorbing filler is arranged in the body, and the energy-absorbing filler is a foam section with high energy-absorbing ratio or self-foaming hardening foam filled in the cavity.
2. A regular polygon uniform cross-section impact-proof structure for a composite material automobile door sill as claimed in claim 1, wherein said regular polygon uniform cross-section fiber reinforced structural body is formed of a plurality of regular polygon structural units.
3. The regular polygon uniform-section anti-collision structure applied to the composite material automobile threshold as claimed in claim 2, wherein a force transmission reinforcing column is arranged at the center of the regular polygon structural unit, the force transmission reinforcing column is connected with the regular polygon structural unit through a trapezoid reinforcing rib at a hard point, the force transmission reinforcing column is a continuous column structure in the longitudinal direction of the automobile body and can effectively transmit impact energy from frontal collision of the automobile body, and meanwhile, the combination of the force transmission reinforcing column and the trapezoid reinforcing rib can effectively disperse and transmit side collision energy received by the automobile body to other regular polygon structural units in the regular polygon uniform-section fiber reinforced structural body.
4. The regular polygon uniform-section anti-collision structure applied to the composite material automobile threshold as claimed in claim 2, wherein the regular polygon structural units are regular hexagon structural units with side length of 5-30 mm.
5. The regular polygon uniform-section anti-collision structure applied to the composite material automobile doorsill as claimed in claim 2, wherein the thickness of the regular polygon structural unit is 2-3 mm.
6. The regular polygon uniform-section anti-collision structure applied to the composite material automobile threshold as claimed in claim 3, wherein the diameter of the force-transmitting reinforcing column is 3-5 mm.
7. The regular polygon uniform-section anti-collision structure applied to the composite material automobile threshold as claimed in claim 3, wherein the trapezoid reinforcing rib is an isosceles trapezoid, wherein an included angle between a trapezoid side and a height direction is 0-5 °.
8. The regular polygon uniform-section anti-collision structure applied to the composite material automobile doorsill according to claim 1, wherein the regular polygon uniform-section fiber reinforced structure body is formed by impregnating carbon fibers or woven carbon fiber preforms laid along the length direction of the regular polygon uniform-section anti-collision structure with epoxy resin under a pultrusion process, and the pultrusion speed range of the selected epoxy resin is 0.4-1 m/min.
9. The regular polygon uniform-section anti-collision structure applied to the composite material automobile doorsill according to claim 1, wherein the outer surface impact-resistant layer of the regular polygon uniform-section fiber reinforced structure is one or more of ultra-high molecular weight polyethylene fibers, aramid fibers, boron fibers, carbon fibers and glass fiber adhesive tapes after being soaked with resin.
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| JP2020183078A (en) * | 2019-05-08 | 2020-11-12 | トヨタ自動車株式会社 | Manufacturing method of metal plate component and manufacturing method of vehicle body |
| CN112249509B (en) * | 2020-09-01 | 2022-08-02 | 哈尔滨工业大学（深圳） | Energy-absorbing structure and energy-absorbing buffer device |
| CN113346178A (en) * | 2021-07-08 | 2021-09-03 | 哈尔滨工业大学（威海） | Power battery box for energy-absorbing anti-collision vehicle |
| CN113998012A (en) * | 2021-10-14 | 2022-02-01 | 上海瓴荣材料科技有限公司 | Carbon fiber composite material doorsill stiffening beam and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941597A (en) * | 1994-05-24 | 1999-08-24 | Honda Giken Kogyo Kabushiki Kaisha | Structural member of vehicle |
| CN2486806Y (en) * | 2001-07-20 | 2002-04-17 | 林治富 | Improved multilayer composite pipe |
| CN101332689A (en) * | 2007-06-28 | 2008-12-31 | 波音公司 | Ceramic matrix composite structure having fluted core and method for making the same |
| CN102767471A (en) * | 2012-07-27 | 2012-11-07 | 山东泰山瑞豹复合材料有限公司 | Vertical axis wind power generator blade and manufacturing method thereof |
| CN104816627A (en) * | 2015-04-08 | 2015-08-05 | 郑州宇通客车股份有限公司 | Collision prevention unit and oil tank and vehicle using collision prevention unit |
-
2018
- 2018-09-19 CN CN201811092982.6A patent/CN109436099B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941597A (en) * | 1994-05-24 | 1999-08-24 | Honda Giken Kogyo Kabushiki Kaisha | Structural member of vehicle |
| CN2486806Y (en) * | 2001-07-20 | 2002-04-17 | 林治富 | Improved multilayer composite pipe |
| CN101332689A (en) * | 2007-06-28 | 2008-12-31 | 波音公司 | Ceramic matrix composite structure having fluted core and method for making the same |
| CN102767471A (en) * | 2012-07-27 | 2012-11-07 | 山东泰山瑞豹复合材料有限公司 | Vertical axis wind power generator blade and manufacturing method thereof |
| CN104816627A (en) * | 2015-04-08 | 2015-08-05 | 郑州宇通客车股份有限公司 | Collision prevention unit and oil tank and vehicle using collision prevention unit |
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