CN108688729B - Light-weight passenger car carrying type car body and car body panel - Google Patents
Light-weight passenger car carrying type car body and car body panel Download PDFInfo
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- CN108688729B CN108688729B CN201711175525.9A CN201711175525A CN108688729B CN 108688729 B CN108688729 B CN 108688729B CN 201711175525 A CN201711175525 A CN 201711175525A CN 108688729 B CN108688729 B CN 108688729B
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- wire mesh
- strength steel
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- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
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- 239000000956 alloy Substances 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
- B62D23/005—Combined superstructure and frame, i.e. monocoque constructions with integrated chassis in the whole shell, e.g. meshwork, tubes, or the like
-
- 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
-
- 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
- B62D29/007—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of special steel or specially treated steel, e.g. stainless steel or locally surface hardened steel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides a lightweight passenger car carrying type car body and a car body panel. Belongs to the technical field of automobile bodies. The aluminum alloy passenger car body mainly solves the problems that an existing steel passenger car body is high in self weight and poor in strength and rigidity. The main characteristics of the device are as follows: the aluminum alloy beam plate lining high-strength steel wire mesh of the bearing type car body is formed by fusion compression molding of the high-strength steel wire mesh; the rubber-plastic plate lining high-strength steel wire mesh fusion compression molding of the automobile body panel belongs to a color surface plate bearing type automobile body panel which is formed in one step and free of a coating process and procedures, can thoroughly avoid the procedure of pollution of a coating production line, can reduce the automobile dead weight by more than 50 percent according to a conventional automobile, can save materials and reduce the cost by more than 30 percent, and belongs to a lightweight automobile body and an automobile body panel which are energy-saving and environment-friendly, have low cost and light weight and can automatically recover a prototype after light collision.
Description
Technical Field
The invention belongs to the technical field of passenger car bearing type car bodies and car body covering parts, and particularly relates to a lightweight passenger car bearing type car body and a car body covering part for a passenger car.
Background
At present, the bearing type car body and car body panel of the passenger car are basically produced according to conventional materials. As the conventional materials are used for producing the passenger car body and the car body panel, two materials, namely steel or aluminum alloy, are used for production. The steel passenger car body and the car body panel are produced by materials, and the steel passenger car body and the car body panel have the advantages of high strength and rigidity and large self weight; the aluminum alloy passenger car body and the car body panel are produced by materials, and the aluminum alloy passenger car body and the car body panel have the advantages of lighter self weight and poorer strength and rigidity.
Disclosure of Invention
The invention aims to provide a light-weight passenger car bearing type car body and a car body covering piece, which have the characteristics of simple and reasonable structure, light dead weight, high strength and convenient production and manufacture.
The technical scheme of the invention is as follows: the utility model provides a lightweight passenger car bears formula automobile body and automobile body panel, includes bearing formula automobile body and automobile body panel, its characterized in that: the bearing type vehicle body consists of an integral beam plate and comprises a cabin vehicle body in the middle part and a power storage cabin vehicle body in front of and behind the cabin; the cabin body comprises front and rear reinforcing main beams, left and right reinforcing main longitudinal beams, cabin structure beam plates, front cabin seat brackets, sliding ways, rear cabin seat brackets and power battery pack boxes; the power storage cabin body comprises a front bumper beam bracket, a rear bumper beam bracket, a front trunk beam plate, a rear trunk beam plate beam, a power cabin reinforcing beam and a front and rear reinforcing main longitudinal beam; the bearing type vehicle body is made of an aluminum alloy lining high-strength steel wire mesh fusion compression molding beam plate member; a front power cabin, a rear power cabin and a cabin separation beam plate are arranged between the cabin body and the front and rear power storage cabin bodies; the automobile body panel is formed by combining a rubber-plastic lining high-strength steel wire mesh with an integrated compression molding component and an automobile body lining plate frame in a linking or welding mode to form a whole.
The power battery box is a beam plate component formed by fusion and compression molding of aluminum alloy lining high-strength steel wire mesh, and the components are linked and welded to form an integral component of the battery box; the power battery box and the driver cabin body are independent components which are detachably connected.
The bearing type car body further comprises a decoration piece, an opening piece, a machine component, an accessory and a detachable structural piece; the car body panel comprises an engine cover plate, a car top cover, a trunk cover plate, front and back left and right wheel panels, left and right side walls, front and back car doors, a motor front support plate, a motor front apron plate, a front upper wall plate, a back upper wall plate, a front apron plate, a front frame, a front wheel fender, a back wall plate, a luggage bin cover, a back upper wall plate, a top cover, a front wall plate, a front upper wall plate, a front fender, a motor cover, a decoration piece, an opening piece, a machine component, an accessory and a detachable structural piece.
The aluminum alloy beam plate lining high-strength steel wire mesh of the bearing type car body in the technical solution of the invention is a low-carbon high-strength steel wire mesh, a medium-carbon high-strength steel wire mesh, a high-carbon high-strength steel wire mesh or a stainless steel high-strength steel wire mesh, the diameter of steel wires is 0.25 mm-2.5 mm, and the mesh is 6.4mm multiplied by 6.4 mm-50.8 mm multiplied by 50.8mm; the aluminum alloy is 1000-9000 series aluminum alloy aluminum; the rubber plate lining high-strength steel wire mesh of the car body panel is a low-carbon high-strength steel wire mesh, a medium-carbon high-strength steel wire mesh, a high-carbon high-strength steel wire mesh or a stainless steel high-strength steel wire mesh, the diameter of steel wires is 1.0mm, and meshes are 6.4mm multiplied by 6.4mm to 50.8mm multiplied by 50.8mm; isoprene rubber, neoprene CR, chloroprene rubber and rubber in the high-strength steel wire mesh rubber-plastic plate are natural rubber NR, styrene-butadiene rubber SBR, butyl rubber II R, hydrogenated nitrile-butadiene rubber HNBR, ethylene-propylene rubber EPDM, nitrile-butadiene rubber NBR, fluororubber FKM, general rubber, styrene-butadiene rubber, butadiene rubber or ethylene-propylene rubber as main materials of the rubber-plastic plate.
According to the technical scheme, the diameter of steel wires of the high-strength steel wire mesh lining of the aluminum alloy beam plate of the bearing type car body is 1.5mm, and meshes are 10.6mm multiplied by 10.6mm; the aluminum alloy is 5000 series aluminum alloy; the diameter of the steel wire of the rubber plastic plate lining high-strength steel wire mesh of the vehicle body panel is 1.0mm.
According to the technical scheme, the front and rear reinforcing main beams of the passenger cabin and the left and right reinforcing main longitudinal beams of the passenger cabin are provided with inward extending blank holders of the front and rear left and right reinforcing main beams of the passenger cabin and the reinforcing main longitudinal beams, and an upper cover plate of the battery pack box is in sealing and fastening connection with the inward extending blank holders of the front and rear left and right reinforcing main beams of the passenger cabin and the reinforcing main longitudinal beams through waterproof sealing rubber gaskets; the battery pack bottom plate is provided with a power battery pack bottom plate outwards extending pressing edge, and the bottoms of the front and rear reinforcing main cross beams of the driver cabin and the left and right reinforcing main longitudinal beams of the driver cabin are connected with the power battery pack bottom plate outwards extending pressing edge in a sealing and fastening mode through waterproof sealing rubber gaskets.
The periphery of the high-strength steel wire mesh is provided with a high-strength steel wire mesh peripheral aluminum strip or a steel strip lamination seal.
The automobile body panel is provided with automobile body panel ribs and decorative lines which are formed by fusion compression molding.
The invention has the advantages that: the selected low-carbon high-strength steel wire mesh, medium-carbon high-strength steel wire mesh, high-carbon high-strength steel wire mesh and stainless steel high-strength steel wire mesh have the characteristics of excellent corrosion resistance, good durability, high tensile strength, good integrity, good toughness, elasticity and the like; the selected aluminum alloy rod has low density, but has higher strength, is close to or exceeds that of high-quality steel, has good plasticity, can be processed into various profiles, has excellent heat conductivity and corrosion resistance, obtains good mechanical property, physical property and corrosion resistance by adopting heat treatment, and has excellent thermoplasticity by heat treatment strengthening; the isoprene rubber, the neoprene CR and the chloroprene rubber are polymerized by additive materials, and the rubber has good elasticity after being fused with the additive, is not afraid of direct irradiation of sunlight, has particularly good weather resistance, better chemical corrosion resistance and ageing resistance, and also has better mechanical property, flame retardant property, good wear resistance, low-temperature elasticity, anti-twisting property, acid resistance, water resistance, ozone resistance and low-temperature resistance, the use temperature ranges from minus 60 ℃ to 100 ℃, the short time can reach 125 ℃, the elasticity is good, the compression deformation recovery is good, the sulfur-free sulfur in the formula is very easy to manufacture, and the rubber is suitable for manufacturing various parts directly contacting with the atmosphere, sunlight and ozone, and is suitable for rubber plastic products with various flame resistance and chemical corrosion resistance; the injection molding process of the die is simple and reliable, and the high-strength steel wire mesh is designed to select raw materials which are not deformed, broken, high in rigidity and high in elasticity after being stamped; because the injection molding process of the die is simple and reliable, the aluminum alloy aluminum bar is designed to select raw materials with moderate melting temperature, stable die entering, no flaws in die pressing and high rigidity; the injection molding process of the mold is simple and reliable, the isoprene rubber, the neoprene CR and the chloroprene rubber are designed and selected to obtain a certain amount of plastic additives, and the plastic additives are modified to be elastic, plastic and rigid, so that the mold has good compression molding, bright color, smoothness and brightness and raw materials with frosting effect; the color surface plate car body covering part which belongs to one-step forming coating-free technology and process is manufactured according to the requirements, so that the process of pollution of a coating production line can be thoroughly omitted, the weight of the car can be reduced by more than 50 percent according to a conventional car, materials can be saved, and the cost can be reduced by more than 30 percent, and the color surface plate car body covering part belongs to a light-weight passenger car carrying body and a light-weight car body covering part which can automatically restore to a prototype due to light collision, and is energy-saving and environment-friendly, low in cost and light in weight.
The invention is mainly used for the bearing type automobile body and the automobile body covering part of the light automobile passenger car of automobiles, passenger cars and pure electric automobiles.
Drawings
Fig. 1 is a schematic top view of a load-bearing vehicle body of the present invention.
Fig. 2 is a schematic view of a load-bearing vehicle body according to the present invention.
Fig. 3 is a schematic perspective view of a load-bearing vehicle body according to the present invention.
Fig. 4 is a schematic sectional view of a portion of a power battery box according to the present invention.
Fig. 5 is a schematic view of the structure of the vehicle body panel of the present invention.
Fig. 6 is a schematic view of the structure of the vehicle body panel of the present invention.
Fig. 7 is a detailed view of the structure of the vehicle body and the vehicle body panel according to the present invention.
Fig. 8 is a detailed view of the structure of the reinforcement beam of the vehicle body of the present invention.
Fig. 9 is a detailed view of the structure of the reinforcement beam of the passenger compartment of the vehicle body.
Fig. 10 is a detailed view of the structure of the battery pack case of the present invention.
In the figure: 1. front and rear bumper beam brackets; 2. front and rear power storage cabin beam plates; 3. front and rear power storage cabin beam plate cross beams; 4. a power storage cabin reinforcing beam; 5. the front power storage cabin and the rear power storage cabin strengthen the main longitudinal beam; 6. the front and rear reinforcement main cross beams of the passenger cabin; 7. front, back, left and right side panels of the power battery box; 8. the left and right reinforcing main longitudinal beams of the passenger cabin; 9. the front, back, left and right main reinforcement beams and the main reinforcement longitudinal beams of the passenger cabin extend inwards to form blank holders; 10. longitudinal reinforcing ribs are arranged at the upper part of the power battery pack box; 11. transverse reinforcing ribs are arranged at the upper part of the power battery pack box; 12. a front passenger seat support; 13. a rear seat support; 14. a wavy line; 15. transverse reinforcing ribs at the bottom of the power battery pack; 16. longitudinal reinforcing ribs at the bottom of the power battery pack; 17. the power battery pack bottom plate extends outwards to form a pressing edge; 18. the front power cabin and the rear power cabin are separated from the driver cabin by a beam plate; 19. a beam plate of a cabin structure; 20. a front seat support and a slide way; 21. a power battery box; 22. front and rear reinforced main longitudinal beams are additionally provided with oblique beams; 23. self-locking screws; 24. waterproof sealing rubber cushion; 25. a battery pack case upper cover plate; 26. a battery pack case bottom plate; 27. the periphery of the high-strength steel wire mesh is provided with aluminum strips or steel strip laminated seals; 28. high-strength steel wire mesh; 29. an aluminum alloy beam plate and a rubber plastic plate; 30. vehicle body panel board frame; 31. a vehicle body panel; 32. vehicle body panel ribs and trim lines; 33. a battery box structural node; 34. a battery pack case structure reinforcing bar; 35. the reinforcing attachment.
Detailed Description
The principles and functions of the present invention are further described with reference to the drawings.
As shown in fig. 1-10, the wavy line 14 is shown in exploded view. The bearing type car body comprises a body, a decoration piece, an opening piece, a machine component, an accessory and other detachable structural parts, and has an integral car body structural form without an independent frame. The body is composed of an integral beam plate and comprises a cabin body in the middle and a power storage cabin body in front and back of the cabin, and the integral beam plate structure is formed for ensuring the strength and the rigidity of the body. The passenger cabin body comprises a passenger cabin front and rear reinforcement main beam 6, a passenger cabin left and right reinforcement main longitudinal beam 8, a passenger cabin structure beam plate 19, a front passenger seat bracket and slideway 20, a rear passenger seat bracket 13 and a power battery pack box 21. The front and rear power storage cabin body of the passenger cabin comprises a front and rear bumper beam bracket 1, a front and rear power storage cabin beam plate 2 of the passenger cabin, a front and rear power storage cabin beam plate beam 3 of the passenger cabin, a front and rear power storage cabin reinforcing beam 4 of the passenger cabin, a front and rear power storage cabin reinforcing main longitudinal beam 5 of the passenger cabin, a front and rear power storage cabin reinforcing main longitudinal beam additional oblique beam 22 of the passenger cabin and a reinforcing additional piece 35. The additional oblique beam 22 of the front and rear power storage cabin reinforcing main longitudinal beam of the passenger cabin is welded with the front and rear power storage cabin reinforcing main longitudinal beam 5 of the passenger cabin into a whole, and belongs to the technical field of reinforcing the structural strength and rigidity of the front and rear reinforcing main longitudinal beam 5. The reinforcing additional piece 35 is welded with the beam bracket 1 of the front and rear power storage tanks of the passenger cabin, the beam plate beam 3 of the front and rear power storage tanks of the passenger cabin, the reinforcing beam 4 of the front and rear power storage tanks of the passenger cabin, the reinforcing main longitudinal beam 5 of the front and rear power storage tanks of the passenger cabin and the U-shaped opening of the reinforcing main longitudinal beam additional oblique beam 22 of the front and rear power storage tanks of the passenger cabin are closed, so that the strength and the rigidity of the reinforcing additional piece are improved. The main purpose of the device is to integrally connect, disperse and transmit and bear the moment force from the front and the back, and the front and the back of the driver cabin, strengthen the main longitudinal beam 5, and strengthen the strength and the rigidity transmitted by the main longitudinal beam additional oblique beam 22, bear and absorb the strength and the rigidity from the front and the side impact force, bear the load of the whole vehicle, buffer and absorb the energy, reduce the vibration, lighten the dead weight, and simultaneously provide effective safety protection for personnel in the driver cabin. The front arch mode of the bumper beam bracket 1 of the front and rear power storage tanks of the passenger cabin is designed to buffer and absorb energy to reserve enough space, thereby reducing dead weight. The main functions of the front and rear power storage cabin bumper beam bracket 1, the front and rear power storage cabin beam plates 2, the front and rear power storage cabin beam plate beam 3 and the front and rear power storage cabin reinforcing main longitudinal beam 5 are to place power, spare tires, luggage, sundries and other auxiliary tools. The main functions of the beam plate beam 3 of the front and rear power storage cabins of the driver and the passenger cabin, the reinforcing beam 4 of the front and rear power storage cabins of the driver and the passenger cabin and the reinforcing main longitudinal beam 5 of the front and rear power storage cabins of the driver and the passenger cabin are to install a power motor, a control system, a water cooling or liquid cooling or weak current system and other auxiliary machines.
The front and rear reinforcement main beams 6 and the left and right reinforcement main beams 8 of the passenger cabin are provided with inward front and rear and left and right reinforcement main beams and reinforcement main beam inward extending flanges 9, the front and rear reinforcement main beams 6 and the front and rear and left and right reinforcement main beams and the reinforcement main beam inward extending flanges 9 of the passenger cabin are integrated inward extending flanges, the left and right reinforcement main beams 8 and the front and rear and left and right reinforcement main beams and the reinforcement main beam inward extending flanges 9 of the passenger cabin are also integrated inward extending flanges, a front passenger seat bracket 12, a rear passenger seat bracket 13, a passenger cabin front and rear power reserve cabin and passenger cabin isolation beam plate 18, a passenger cabin structural beam plate 19, a front passenger seat bracket and slideway 20 and a rear passenger seat bracket 13. The main purpose of the device is that the device is integrally connected, dispersed, transferred and absorbed, and transmitted by a front bumper beam bracket 1, a front power storage cabin beam plate beam 3, a rear power storage cabin reinforcing beam 4, a front power storage cabin reinforcing main longitudinal beam 5 and external moment on the side of the driver cabin, so as to bear the load of the whole vehicle, buffer and absorb energy, reduce vibration and lighten dead weight, and simultaneously provide effective safety protection for personnel in the driver cabin. The main body key structure belongs to the main body key structure of the bearing type automobile body of the passenger car, and simultaneously bears the fixation and the load of the integral part of the power battery box 21, so that the battery box 21 becomes an integral part of the bearing type automobile body and is also a replaceable and detachable split battery box integral component. The front and rear reinforcing main cross beams 6 of the driver and passenger cabin and the left and right reinforcing main longitudinal beams 8 of the driver and passenger cabin are mainly used for bearing the front and side impact force of the whole vehicle, dispersing, absorbing, transmitting strength and rigidity, bearing the load of the whole vehicle, buffering, absorbing energy, reducing vibration, reducing dead weight and providing effective safety protection for personnel in the driver and passenger cabin. The front and rear power storage cabins of the driver and passenger cabins and the isolation beam plates 18 of the driver and passenger cabins mainly seal the driver and passenger cabins, the driver and passenger cabins are installed and fixed by the 13 of the driver and passenger seat, and the front driver and passenger seat support and the slideway 20 mainly have the functions of fixing and adjusting back and forth.
The bearing type vehicle body of the passenger vehicle has the beneficial effects that: through the above-mentioned material selection, it is mainly for guaranteeing the integrality of automobile body intensity and rigidity, and its whole panel compression molding strengthens longeron and the integrative component of entablature, mainly bears and absorbs the longitudinal and transverse intensity and the rigidity of whole car, bears whole car load. Reinforcing additional beams and other reinforcing additional members, strengthen the overall body to withstand and absorb and dissipate the strength and stiffness of the torque forces of various aspects. The reinforcing longitudinal beams of the passenger cabin mainly bear the strength and rigidity of the front, back, left and right longitudinal beams and the transverse beams for transmitting and absorbing scattered strength and external moment force on the side. The reinforcing cross beams between the reinforcing longitudinal beams of the passenger cabin and the structural beam plates of the passenger cabin are mainly integrally connected, dispersed, transferred and absorbed with the strength and rigidity transferred from the front longitudinal beam and the rear longitudinal beam. The front and rear bumper beam supports are mainly integrally connected, dispersed, transferred and absorbed with the strength and rigidity of front and rear impact moment. The lining board frame of the automobile body panel mainly bears the functions of absorbing, decomposing, transmitting strength and rigidity of external moment force of the self structure of the panel. The die-pressed reinforcing plate beam support of the driver seat belongs to the beam plate top surface of the driver cabin structure, mainly bears the left and right side impact moment force of the whole vehicle, dispersedly absorbs and transmits the strength and rigidity, and the front driver seat support and the slideway on the top surface mainly fix the driver seat and can be adjusted back and forth. The upper parts of the reinforcement longitudinal beams and the reinforcement cross beams of the carrying type car body cabin are welded integrally with the reinforcement longitudinal beams and the reinforcement cross beams by extending type press edges, and the reinforcement longitudinal beams and the reinforcement cross beams are mainly used for fastening and connecting the upper parts of the power battery pack boxes and the fixing and sealing functions of the power battery pack boxes.
The power battery box 21 comprises a power battery box front side panel 7, a power battery box rear side panel, a power battery box left side panel and right side panel, a battery box upper cover plate 25, a battery box bottom plate 26, a power battery box upper longitudinal reinforcement rib 10, a power battery box upper transverse reinforcement rib 11, a power battery bottom transverse reinforcement rib 15, an integral component formed by a power battery bottom longitudinal reinforcement rib 16, a power battery bottom plate outwards extending pressing edge 17, a self-locking screw 23, a waterproof sealing rubber pad 24, a battery box structure node 33 and a battery box structure reinforcement rib 34. The outward extending pressing edge 17 of the power battery bottom plate and the battery bottom plate 26 of the battery box are integrally and outwardly extending pressing edges and bottom self-locking screws of the left and right reinforcing main stringers 8 of the passenger cabin, the longitudinal reinforcing ribs 10 at the upper part of the power battery box, the transverse reinforcing ribs 11 at the upper part of the power battery box and the upper cover plate 25 of the battery box are integrally molded, the transverse reinforcing ribs 15 at the bottom of the power battery, the longitudinal reinforcing ribs 16 at the bottom of the power battery and the bottom plate 26 of the battery box are integrally molded, and the structural nodes 33 of the battery box and the structural reinforcing ribs 34 of the battery box are welded by structural reinforcing strips of structural treatment of the power battery box 21. The power battery box 21 is an integral part, belongs to a power system component, is connected with a bearing type vehicle body into a whole, is replaceable and detachable, and is convenient to disassemble and assemble. The power battery box 21 mainly aims at a space frame linking structure formed by attaching the strength and the rigidity of a vehicle body, and forms a power battery box front side panel 7, a battery box upper cover plate 25 and a battery box bottom plate 26 which are vertically and laterally symmetrical. The beam plate component is designed to integrate the longitudinal reinforcing ribs 10, 11, 15 and 16 on the upper and bottom of the power battery box, so as to strengthen the strength and rigidity of the upper and bottom cover plates 25 and 26 of the battery box. The power battery pack box 21 is pushed from bottom to top to be installed and is internally extended and pressed with a main beam and a main beam inwards extending from the front to back of the main beam 6 and the main beam 8, the front to back of the main beam and the main beam, the left to right of the main beam and the main beam, a waterproof sealing rubber pad 24 is arranged on the periphery of the upper cover plate 25 of the battery pack box and is tightly and fixedly connected with the periphery of the upper cover plate by a self-locking screw 23, the outwards extended and pressed edge 17 of the bottom plate of the power battery pack is an outwards extended and pressed edge of the bottom plate 26 of the battery pack box, and the waterproof sealing rubber pad 24 is arranged on the bottom surfaces of the main beam 6 and the main beam 8 and the main beam inwards and is tightly and integrally connected with the bottom surfaces of the main beam and the main beam.
The materials and the process flow of the bearing type vehicle body and the battery pack box are as follows: the materials of the material are different varieties of low-carbon high-strength steel wire meshes, medium-carbon high-strength steel wire meshes, high-carbon high-strength steel wire meshes and stainless steel high-strength steel wire meshes, the specification diameter of the material is 1.5mm, and the mesh size is 10.6mm multiplied by 10.6mm. The selection of mesh sizes from 6.4mm by 6.4mm to 50.8mm by 50.8mm is not excluded from the specification diameters from 0.25mm to 2.5 mm. The molding mode is a mold pressing and auxiliary welding molding process. The component fusion forming mode adopts 5000 series aluminum alloy bars as materials. The fusion forming mode of the components is not excluded, the materials of the components adopt one-series to nine-series (1000-9000) series aluminum alloy aluminum bars as the alternative materials, the components are fused and molded by being poured into the component mold body, and structural nodes of the structural molding are welded to fulfill the design aim of structural molding. The technological process includes designing the size of the part, selecting material for spare, stamping the high strength steel wire mesh 28 according to the design, laminating the peripheral aluminum strips or steel strips of the high strength steel wire mesh with sealing strips 27, laminating firmly and forming for spare, putting the formed high strength steel wire mesh component into a mould for spare, selecting aluminum alloy aluminum rods for spare according to the design, adding the spare aluminum rods into an aluminum alloy heat treatment melting furnace for melting, injecting the melted aluminum alloy aluminum rods into the mould to fuse with the high strength steel wire mesh component for mould pressing forming semi-finished product for spare, and preparing and welding according to the design scheme.
The body panel includes a body and trim, an opening, a machine member, an accessory, and other removable structural members. Including the engine cover, roof, the suitcase apron, front and back left and right fender, front and back left and right door panel, left and right car side wall, front and back door, motor front support board, motor front skirt board, front wall upper cover, back panel, back wall upper cover, front skirt board, front frame, front fender, wheel fender, back panel, luggage compartment lid, back wall upper cover, roof, front wall curb plate, front panel, front wall upper cover, front fender, motor cover etc. all are according to automobile body panel material technology preparation. The body comprises a body panel 31, an aluminum alloy beam plate and rubber plastic plate 29, a body panel backing plate frame 30, body panel ribs and decorative lines 32. The lining board frame 30 of the vehicle body panel is a lining board of the vehicle body panel 31, the strength and the rigidity of the panel are mainly enhanced, and the material technology is the same as that of the bearing vehicle body. The body panel 31, the aluminum alloy beam plate, the rubber plastic plate 29, the body panel ribs and the decoration lines 32 are integral one-time compression molding components. The main purpose of the body panel 31 is to ensure the strength and rigidity of the body panel and form a plate frame structure, and the plate frame structure is a body panel which bears the functions of dispersing, absorbing, transmitting strength and rigidity of the front and side impact forces of the whole vehicle, buffering, absorbing energy, reducing vibration and lightening dead weight, and simultaneously provides effective safety protection for personnel in a passenger compartment, and belongs to a one-step forming coating-free process.
The vehicle body panel has the beneficial effects that: through the fusion molding of the high-strength steel wire mesh and the rubber plastic, the material can be saved, the cost can be reduced, the weight can be reduced by more than 50%, the energy-saving environment-friendly energy-saving light weight can be realized, and the light collision energy-saving environment-friendly energy-saving light weight rubber plastic composite molding machine is capable of automatically recovering a prototype. The colors of the components and the parts of the vehicle body panel are arbitrarily selected, and the consistency of batch application is maintained; pigment which is easy to solidify and does not fade for a long time is selected for blending, and the proportion of the pigment is consistent; the method is suitable for medium heating fusion, and the injection molding component can be molded at one time, so that the whole process and working procedures of a coating production line can be omitted, and the environment-friendly light-weight passenger car bearing body and car body covering piece can be saved.
The material of the automobile body panel and the process flow are as follows: the material of the vehicle body panel 31 is different types of low-carbon high-strength steel wire mesh, medium-carbon high-strength steel wire mesh, high-carbon high-strength steel wire mesh and stainless steel high-strength steel wire mesh, and the specification diameter of the vehicle body panel is 1.0mm. The mesh is between 6.4mm multiplied by 6.4mm and 10.6mm multiplied by 10.6mm. The selection of mesh sizes from 6.4mm by 6.4mm to 50.8mm by 50.8mm is not excluded from the specification diameters from 0.25mm to 2.5 mm. The molding mode is a mold pressing and auxiliary welding molding process. The component fusion forming mode is that the material of the component fusion forming mode is isoprene rubber, neoprene CR or chloroprene rubber. The fusion molding of the components is not excluded, and natural rubber NR, styrene-butadiene rubber SBR, butyl rubber IIR, hydrogenated nitrile-butadiene rubber HNBR, ethylene-propylene rubber EPDM, nitrile-butadiene rubber NBR, fluororubber FKM, general rubber, styrene-butadiene rubber, butadiene rubber and ethylene-propylene rubber are adopted as the alternative materials. The structural joint of the structural molding is glued and screwed to complete the design of structural molding. The colors of the components are arbitrarily selected, and the consistency of batch application is maintained; pigment which is easy to solidify and does not fade for a long time is selected for blending, and the proportion of the pigment is consistent; and selecting a suitable medium for heating and fusing, and forming the molded member at one time. Therefore, the whole process and working procedures of the coating production line can be omitted, the coating production line is economical and environment-friendly, and the maintenance and the repair are fast and convenient. The method is to manufacture some small parts with complex shapes by a mould pressing method, the high-strength steel wire mesh component and the melted rubber sizing material which are pressed and formed are mixed and blended uniformly by a formed female mould and a male mould, and the components are placed in a mould to be fused and mould pressed and formed. The process flow comprises the following steps: the method comprises the steps of designing the size of a part, selecting materials for standby, stamping a high-strength steel wire mesh 28 according to the design, laminating an aluminum strip or a steel strip laminated sealing strip 27 on the periphery of the high-strength steel wire mesh, laminating and firmly forming for standby, molding a formed high-strength steel wire mesh component for standby, molding a rubber-plastic material, an additive phenolic resin for increasing strength, an additive hard carbon black for increasing wear resistance, a low-temperature-resistant plasticizer for increasing cold resistance, an additive antimony trioxide for increasing flame resistance, a protective agent for increasing oxygen resistance, a high-structure filler for increasing insulation, and a filler barium sulfate for increasing water resistance, quantifying according to the design proportion strictly, melting the designed and metered rubber-plastic and additive materials through a rubber-plastic heat treatment melting machine, and injecting the melted and uniformly stirred materials into a component mold, wherein the high-strength steel wire mesh component and the melted rubber-plastic material are fused and molded, so that the color surfaces of the designed rubber-plastic steel wire mesh automobile body cover and the designed with the designed high-strength steel wire mesh component and the designed with the rubber-plastic material and the color surfaces and the integrally molded decorative lines and the rib lines are molded, and the inside and outside of the automobile body cover, the automobile body inner cover and the automobile body cover are molded through one-time injection molding, and the painting process and the color surface-free, and the automobile body cover and the automobile body inner cover and the automobile body cover.
The appearance quality of the car body panel meets the design requirement: 1. the surface quality, the molding of the automobile body panel can ensure that the appearance is smooth and bright without flaws, and the automobile body panel has no defective products with aesthetic surface defects. 2. The decorative ridge and the rib on the vehicle body panel are clear, smooth, bilaterally symmetrical and even in transition, the ridge connection between the panel is smooth, no uneven product components exist, and the consistency is extremely high. 3. The automobile body panel adopts the cementing fixing and screw fastening modes, and the gaps adopt the same-color software glue caulking so as to facilitate the replacement of components and meet the aesthetic requirements of surface decoration design, and the automobile body panel belongs to the one-step forming color surface automobile body panel without coating process and procedure.
The fusion principle of the bearing type vehicle body and the vehicle body panel materials is as follows: the tensile strength of the high-strength steel wire mesh raw material is selected to be more than 1200MPa (122 kgf/mm) and more than 1580 MPa (161 kgf/mm), the shearing strength of the welding point is up to more than 2000N, and the 1500N stamping forming of the embodiment is not suitable for deformation. The alloy steel with the yield strength of 1370MPa (140 kgf/mm) or more and the tensile strength of 1620 MPa (165 kgf/mm) or more is called ultra-high strength steel, is rarely used in the traditional vehicle body, and the performances of the alloy steel and the alloy steel are basically equivalent. The 5000 series aluminum bars are selected to belong to the series of alloy aluminum plates, and are mainly used for magnesium, the magnesium content is 3-5%, the tensile strength is 470MPa (48 kgf/mm, and the magnesium content is 48 kgf/mm), the yield strength is 325 MPa (33.5 kgf/mm, and the aluminum bars have the advantages of 10% elongation, HB120 hardness, 2.70 relative density, 660 ℃ melting point, low density, high tensile strength, high elongation, good fatigue strength, lower weight of the aluminum magnesium alloy under the same area than other series, suitability for application with high requirements on corrosion resistance and oxidizing property, good usability, easy coating and good processing property. Isoprene rubber, neoprene CR and chloroprene rubber are polymerized by additives, and the physical properties of the isoprene rubber, neoprene and chloroprene rubber are that the tensile strength is 27MPa (2.7 kgf/mm; 2.5 kgf/mm; maximum tensile strength), tear strength is 60/(KN.m-1), toughness is 60%, relative density is 1.15-1.25, specific gravity is 1.23, molecular weight is larger (2.0-20 ten thousand), tensile strength is larger, hardness range (Shore-A) is 40-90, maximum elongation is 800%, and maximum use temperature is 100 ℃.
The physical properties are summarized as follows: selecting high-strength steel wire mesh and 5000 series aluminum bars for matching: 1. the tensile strength and the yield strength capability are greatly improved, and the 5000 series aluminum bar materials are mainly constrained by the fusion of the high-strength steel wire mesh, so that the lateral expansion and stretching of the 5000 series aluminum bar materials in axial tension and compression are limited, and the tensile strength and the yield strength capability of the 5000 series aluminum bar materials are greatly improved, so to speak to the constitutive relation of the 5000 series aluminum bar materials. 2. The main point of the remarkable improvement of the stress performance is that the tensile strength of 5000 series aluminum bar materials is very small, the tensile and bending resistance of 5000 series aluminum bar material components is lower than that of a high-strength steel wire mesh by several times, and the 5000 series aluminum bar material components which are properly fused with the high-strength steel wire mesh can increase the tensile and bending resistance by more than 3 times.
Selecting high-strength steel wire mesh, isoprene rubber, neoprene CR and neoprene polymerized by additives to prepare the material collocation: 1. the tensile strength and the yield strength capability are greatly improved, the materials polymerized by the additives mainly comprise isoprene rubber, neoprene CR and chloroprene rubber, and are constrained by the fusion of the high-strength steel wire mesh, so that the lateral expansion and stretching of the materials polymerized by the additives in the axial tension are limited, and the tensile strength and the yield strength of the materials polymerized by the additives of the isoprene rubber, the neoprene CR and the chloroprene rubber are greatly improved, so that the constitutive relation of the materials polymerized by the additives of the isoprene rubber, the neoprene CR and the chloroprene rubber can be said. 2. The stress performance is obviously improved, the tensile strength of the materials polymerized by the additives is very small, the tensile and bending resistance of the materials polymerized by the additives, namely the isoprene rubber, the neoprene CR and the neoprene are tens of times lower than that of the high-strength steel wire gauze, and the tensile and bending resistance of the materials polymerized by the additives can be increased by tens of times when the materials are properly fused with the high-strength steel wire gauze.
The invention is significantly different from the existing similar devices in the market, wherein: the selected low-carbon high-strength steel wire mesh, medium-carbon high-strength steel wire mesh, high-carbon high-strength steel wire mesh and stainless steel high-strength steel wire mesh have the characteristics of excellent corrosion resistance, good durability, high tensile strength, good integrity, good toughness, elasticity and the like; the selected aluminum alloy rod has low density, but has higher strength, is close to or exceeds that of high-quality steel, has good plasticity, can be processed into various profiles, has excellent heat conductivity and corrosion resistance, obtains good mechanical property, physical property and corrosion resistance by adopting heat treatment, and has excellent thermoplasticity by heat treatment strengthening; the isoprene rubber, the neoprene CR and the chloroprene rubber are selected to be polymerized by the additive. The rubber plastic has good elasticity and wear resistance, is not afraid of direct irradiation of sunlight, has particularly good weather resistance, good ozone resistance, chemical corrosion resistance and ageing resistance, and simultaneously has good mechanical property, flame retardance, good wear resistance, low-temperature elasticity, good anti-twisting performance, good resistance to refrigerants such as dichlorodifluoromethane, ammonia and the like, dilute acid resistance, silicone ester lubricating oil resistance and excellent water resistance. The lubricating oil is resistant to intense torsion, refrigerant, dilute acid and silicone ester, and the use temperature is-60 ℃ to 100 ℃ and 125 ℃ in short time. The elastic performance is good, the compression deformation recovery is fast, the sulfur is not contained in the formula, so the automobile body panel is very easy to manufacture, has the flame-retardant property, and is suitable for manufacturing the automobile body panel. The die compression molding process is simple and reliable, and the high-strength steel wire mesh is designed to select raw materials which are not deformed, broken, high in rigidity and high in elasticity after being stamped; because the die compression molding process is simple and reliable, the aluminum alloy aluminum bar is designed to select raw materials with moderate melting, stable die entering, no flaw in die pressing and high rigidity; the mould compression molding process is simple and reliable, the isoprene rubber, the neoprene CR and the neoprene are designed and selected to be modified to a certain extent by a certain proportion of additives, and the raw materials have elasticity and plastic rigidity, good compression molding, bright color and smooth and bright effect; the color surface plate bearing type car body covering part which belongs to the one-step forming coating-free process and procedure can thoroughly avoid the procedure of pollution of a coating production line, reduce the weight of the car by more than 50 percent according to the conventional car, save materials and reduce the cost by more than 30 percent, and belongs to the light weight car body bearing type car body and the car body covering part which can automatically restore to the original form by light collision, are energy-saving and environment-friendly, have low cost and light weight.
Claims (7)
1. Light passenger car bears formula automobile body and automobile body panel, including bearing formula automobile body and automobile body panel (31), its characterized in that: the bearing type vehicle body is composed of an integral beam plate and comprises a cabin vehicle body in the middle part and a power storage cabin vehicle body in front and behind the cabin; the passenger cabin body comprises a passenger cabin front and rear reinforcement main cross beam (6), a passenger cabin left and right reinforcement main longitudinal beam (8), a passenger cabin structure beam plate (19), a front passenger seat bracket and a slideway (20), a rear passenger seat bracket (13) and a power battery pack box (21); the front and rear power storage cabin body of the passenger cabin comprises a front and rear bumper beam bracket (1), a front and rear power storage cabin beam plate (2) of the passenger cabin, a beam plate beam (3) of the front and rear power storage cabin of the passenger cabin, a reinforcing beam (4) of the front and rear power storage cabin of the passenger cabin and a reinforcing main longitudinal beam (5) of the front and rear power storage cabin of the passenger cabin; the bearing type car body is made of a fusion molding member of an aluminum alloy beam plate lined with a high-strength steel wire mesh (28); a cabin front-rear power storage cabin and a cabin separation beam plate (18) are arranged between the cabin body and the cabin front-rear power storage cabin body; the automobile body panel (31) is of an integral structure formed by connecting an aluminum alloy beam plate and a rubber plastic plate (29) which are lined with high-strength steel wire meshes (28) with an automobile body panel lining plate frame (30).
2. A lightweight passenger car carrying body and body panel as set forth in claim 1 wherein: the power battery box (21) is an integral component formed by front, rear, left and right side panels (7), a battery box upper cover plate (25), a battery box bottom plate (26), a power battery box upper longitudinal reinforcing rib (10), a power battery box upper transverse reinforcing rib (11), a power battery bottom transverse reinforcing rib (15) and a power battery bottom longitudinal reinforcing rib (16); the power battery pack box (21) is detachably connected with the cabin body.
3. A lightweight passenger car carrying body and body panel according to claim 1 or 2, characterized in that: the lining high-strength steel wire mesh (28) of the bearing type car body is a low-carbon high-strength steel wire mesh, a medium-carbon high-strength steel wire mesh, a high-carbon high-strength steel wire mesh or a stainless steel high-strength steel wire mesh, the diameter of steel wires is 0.25 mm-2.5 mm, and the mesh size is 6.4mm multiplied by 6.4 mm-50.8 mm multiplied by 50.8mm; the aluminum alloy is 1000-9000 series aluminum alloy; the rubber and plastic plates in the aluminum alloy beam plate and the rubber and plastic plate (29) are made of isoprene rubber, hydrogenated nitrile rubber, ethylene propylene rubber, fluororubber, butadiene rubber or natural rubber.
4. A lightweight passenger car carrying body and body panel as set forth in claim 3 wherein: the diameter of steel wires of the lining high-strength steel wire mesh (28) of the bearing type car body is 1.5mm, and meshes are 10.6mm multiplied by 10.6mm; the aluminum alloy is 5000 series aluminum alloy; the diameter of steel wires of the lining high-strength steel wire mesh (28) of the vehicle body panel is 1.0mm.
5. A lightweight passenger car carrying body and body panel according to claim 1 or 2, characterized in that: the front and rear reinforcement main beams (6) of the passenger cabin and the left and right reinforcement main longitudinal beams (8) of the passenger cabin are provided with inward front and rear left and right reinforcement main beams of the passenger cabin and inward extension press edges (9) of the reinforcement main longitudinal beams, and an upper cover plate (25) of the battery pack box is in sealing and fastening connection with the front and rear left and right reinforcement main beams of the passenger cabin and the inward extension press edges (9) of the reinforcement main longitudinal beams through waterproof sealing rubber gaskets (24); the battery pack box bottom plate (26) is provided with a power battery pack bottom plate outwards extending pressing edge (17), and the bottom surfaces of the front and rear reinforcing main cross beams (6) of the driver and the passenger cabin and the left and right reinforcing main longitudinal beams (8) of the driver and the passenger cabin are tightly and tightly connected with the power battery pack bottom plate outwards extending pressing edge (17) in a sealing mode through waterproof sealing rubber gaskets (24).
6. A lightweight passenger car carrying body and body panel according to claim 1 or 2, characterized in that: the periphery of the high-strength steel wire mesh (28) is provided with a high-strength steel wire mesh peripheral aluminum strip or steel strip laminating seal (27).
7. A lightweight passenger car carrying body and body panel according to claim 1 or 2, characterized in that: the vehicle body panel (31) is provided with vehicle body panel ribs and decorative lines (32).
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| CN2312159Y (en) * | 1997-07-11 | 1999-03-31 | 中国江南航天工业集团公司南风车辆改装厂 | Soft bulletproof vehicle's body |
| CN102186666A (en) * | 2008-08-18 | 2011-09-14 | 多产研究有限责任公司 | Formable light weight composites |
| CN202728368U (en) * | 2012-05-11 | 2013-02-13 | 苏州阿帕奇电动车有限公司 | Vehicle manufactured by composite material |
| CN203864106U (en) * | 2013-11-22 | 2014-10-08 | 全耐塑料公司 | Semi-finished product made of prepreg, three-dimensional preformed body and overmolded part |
| CN103863399A (en) * | 2014-03-26 | 2014-06-18 | 王子齐 | Automatic temperature-controlled dual-power anti-collision vehicle body bearing frame of blade electric vehicle |
| CN207826342U (en) * | 2017-11-22 | 2018-09-07 | 王子齐 | Lightweight passenger car monocoque body and body outer skin |
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| CN108688729A (en) | 2018-10-23 |
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