CN103318263A - Lightweight electric vehicle - Google Patents
Lightweight electric vehicle Download PDFInfo
- Publication number
- CN103318263A CN103318263A CN2013102886402A CN201310288640A CN103318263A CN 103318263 A CN103318263 A CN 103318263A CN 2013102886402 A CN2013102886402 A CN 2013102886402A CN 201310288640 A CN201310288640 A CN 201310288640A CN 103318263 A CN103318263 A CN 103318263A
- Authority
- CN
- China
- Prior art keywords
- bar
- crossbeam
- vehicle body
- mast
- back door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a lightweight electric vehicle which comprises a vehicle body structure of the electric vehicle and a frame structure connected with the lower portion of the vehicle body structure. The vehicle body structure comprises a vehicle body and a vehicle door, wherein the vehicle body and the vehicle door are composed of a skeleton and thermoplastic boards, wherein the thermoplastic boards cover the inner surfaces and the outer surfaces of the skeletons. The skeleton is composed of a plurality of stamping rod parts which are welded to form a cage-shaped vehicle body skeleton in an integral mode. The surface of the cage-shaped vehicle body skeleton is provided with threaded fixing holes for fixing the thermoplastic boards which are fixedly connected with the cage-shaped vehicle body skeleton through screws and form a whole closed vehicle body. A body of the vehicle frame structure is composed of a crossbeam frame. A battery bin is arranged in the middle of the crossbeam frame. According to the lightweight electric vehicle, strength, rigidity and safety of the vehicle body and the vehicle door can be ensured, the weight of the vehicle body and the weight of the vehicle door can also be obviously relieved, strength and rigidity of a chassis can be effectively improved, when four wheels are stressed unevenly, the vehicle body will not deform, and batteries can be arranged in the most safe position.
Description
Technical field
The present invention relates to a kind of manned vehicle, relate in particular to a kind of light-weight electric automobile.
Background technology
Electronlmobil refers to travel with wheel driving motor take vehicle power as power, meets the vehicle of arteries of communication, legislative control on safety requirements.Because less to the relative orthodox car of environmental concerns, its prospect is extensively had an optimistic view of, but current techniques is still immature.
Electronlmobil is compared with internal-combustion engines vehicle, and the many characteristics of himself are arranged.Wherein, be the most significantly, the power of electronlmobil is little, and load-carrying capacity is subject to and large restriction.In order to improve the load-carrying capacity of electronlmobil, the deadweight that alleviates vehicle body is one of effective method.Yet, the vehicle body of electronlmobil and car door all adopt the whole punching press of steel plate to make in the prior art, want to alleviate its weight, and the method for dimension one is exactly the thickness that reduces vehicle body and car door, the strength and stiffness of vehicle body and car door will be reduced like this, the weight of vehicle body and car door can not be alleviated significantly.
The battery-driven car of prior art does not have the crossbeam vehicle frame, and it realizes carrying by bearing vehicle body.Battery compartment and electrical motor place car anterior.The vehicle frame of prior art is to adopt integral plate to be stamped to form with body structure to consist of together force structure.Self-supporting body does not have rigid-frame, has just strengthened the positions such as headstock, gusset, the tailstock, base plate, and a part of assembly parts of fore suspension and rear suspension, driving system are assemblied in the position of designing requirement on the vehicle body.Self-supporting body carries the function except its intrinsic taking advantage of, and also will directly bear the effect of various load forces.The body portion of self-supporting body (gusset, column, roof etc.) is all bearing ground, is hanging vibrations, pressure that biography is come.Monocoque skin construction has following defective in the prior art: 1, the strength and stiffness on chassis are little, and when four wheel discontinuity, vehicle body can deform.2, battery compartment and electrical motor place car anterior, take cab space, and make battery be in unsafe position.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of light-weight electric automobile, not only can guarantee the strength and stiffness of vehicle body and car door, alleviate significantly the weight of vehicle body and car door, and, can effectively improve the strength and stiffness on chassis, when four wheel discontinuity, vehicle body can not deform yet, battery can be arranged on safest position, and enlarge cab space.
In order to solve the problems of the technologies described above, light-weight electric automobile of the present invention, the body structure and the body frame structure for automotive that is connected with the body structure bottom that comprise electronlmobil, described body structure comprises vehicle body and car door, and described vehicle body and car door are made of with the thermo-plastic planking who is covered in the inside and outside surface of skeleton skeleton; The main body of described body frame structure for automotive is to be made of the crossbeam vehicle frame; The middle part of described crossbeam vehicle frame is provided with battery compartment.
Described skeleton is made of a plurality of punching press rod members; A plurality of described punching press rod members are connected as a single entity by welding and form the cage type body framwork; The inside and outside surface distribution of cage type body framwork is useful on fixing described thermo-plastic planking's screw thread fixed orifice; Described thermo-plastic planking is fixedly connected to form whole sealing car body by screw and described cage type body framwork.
A plurality of described punching press rod members comprise beam column, mast and strut bar; Described beam column comprises two reclinate longeron bars in front portion and four crossbeam bars; The reclinate longeron bar in described two front portions vertically is distributed in the both sides at vehicle body top; Described four crossbeam bars are distributed between the reclinate longeron bar in described two front portions from front to back; Captive joint with the reclinate longeron bar in described two front portions respectively in the two ends of each described crossbeam bar; The reclinate anterior framework that consists of front windshield of the described crossbeam bar of the first two and longeron bar; The rear portion of rear three described crossbeam bars and longeron bar consists of vehicle body top skeleton; Described mast comprises mast behind two front masts, two middle masts and two; Captive joint with described two front portion reclinate longeron bar front ends respectively in the upper end of described two front masts; Described two front masts and count the framework that first crossbeam bar consists of front baffle board from the front; After described two captive joint with the reclinate longeron rod rear end in described two front portions respectively in the upper end of mast; Captive joint with reclinate longeron bar middle part, described two front portions respectively in the upper end of described two middle masts; The upper end of described two middle masts is respectively near the two ends of several the 3rd crossbeam bars from the front; Captive joint by strut bar with described middle mast bottom in the described front mast bottom of each side; The described front mast of each side, middle mast, strut bar and anterior reclinate longeron bar consist of the doorframe of described car door; Captive joint by two strut bars with described rear mast middle part in the described middle mast middle part of each side; The described middle mast of each side, rear mast, strut bar and anterior reclinate longeron bar consist of the skeleton of vehicle body sidewall; The bottom of mast is by the strut bar captive joint after described two; Mast after described two, strut bar and from the front several the 4th crossbeam bars consist of the doorframe of back doors.
Described back door has upper back door and the lower back door that outwards opens; The doorframe upside of the upside of described upper back door and described back door is hinged; The both sides of described upper back door are connected by the supported folding bar respectively with the doorframe both sides of back door; The doorframe downside of the downside of described lower back door and described back door is hinged; The both sides of described lower back door are connected by pull bar respectively with the doorframe both sides of back door.
Described battery compartment is the cage type framed structure that forms by rod member welding at the bottom of as battery compartment by described crossbeam vehicle frame.
Described crossbeam vehicle frame comprises section bar and bending part, and described section bar and bending part cooperatively interact and be fixedly connected by welding.
Protrude forward at the middle part of described crossbeam vehicle frame front, forms the front portion of crossbeam vehicle frame; The both sides of described crossbeam vehicle frame front portion are respectively arranged with wheel; The arc-shaped frame of the rear portion of described crossbeam vehicle frame for upwards swelling; The described upwards below of the arc-shaped frame both sides of protuberance is respectively arranged with wheel; Be the separable assembled structure between described crossbeam vehicle frame and the vehicle body.
The front portion of crossbeam vehicle frame is provided with operator's compartment, and the front of described operator's compartment outside is provided with the anti-collision energy absorption device.
Described anti-collision energy absorption device comprises two energy-absorbing plates and a dowel bar; Described two energy-absorbing plates are to adopt sheet stamping to form, and the limit section of energy-absorbing plate is to 90 ° of side bendings, and the middle part of energy-absorbing plate is provided with a plurality of energy-absorbings hole; Described two energy-absorbing plates vertically, vertically-arranged, be distributed in the both sides of the outside front of described operator's compartment symmetrically, protrude forward at the middle part of described two energy-absorbing plate front sides, captive joint with the middle part of described two energy-absorbing plate front sides respectively in the two ends of described dowel bar.
Described thermo-plastic planking is SMC composite board and high-strength engineering plastic sheet material; Described SMC composite board adopts the compression molding method manufacturing to form; Described high-strength engineering plastic sheet material adopts the injection molding method manufacturing to form.
The present invention compared with prior art has following beneficial effect:
1, the technical program is owing to having adopted vehicle body and car door by skeleton and being covered in the technological means that the thermo-plastic planking on skeleton surface consists of, so, not only can guarantee intensity, rigidity and the safety of vehicle body and car door, and can alleviate significantly the weight of vehicle body and car door.The technological means that is consisted of by the crossbeam vehicle frame owing to having adopted the main body of electric automobile shelf structure again, so, can effectively improve the strength and stiffness on chassis, when four wheel discontinuity, vehicle body can not deform yet.Also be provided with the technological means of battery compartment owing to the middle part of having adopted the crossbeam vehicle frame, so, battery can be arranged on safest position, and enlarge cab space.
2, the technical program is owing to having adopted skeleton to be made of a plurality of punching press rod members; A plurality of punching press rod members are connected as a single entity by welding and form the technological means of cage type body framwork, so, can improve the strength and stiffness of vehicle body and car door.Again owing to having adopted the thermo-plastic planking to be fixedly connected to form the technological means of whole sealing car body by screw and skeleton, so, make simply, be conducive to reduce production costs.
3, the technical program is owing to having adopted a plurality of beam columns, mast and strut bar that the integral structure of body framwork is optimized, so, in the intensity that has guaranteed vehicle body and car door, rigidity and safety, greatly reduced the quantity of the parts of vehicle body and car door, greatly reduced production process, greatly reduced manufacturing cost.
4, the technical program is because upper back door and the lower back door that has adopted back door to have outwards to open; The doorframe upside of the upside of upper back door and back door is hinged; The both sides of upper back door are connected by the supported folding bar respectively with the doorframe both sides of back door; The doorframe downside of the downside of lower back door and back door is hinged; The technological means that the both sides of lower back door and the doorframe both sides of back door are connected by pull bar respectively, so, upper back door and lower back door weight separately reduce greatly, height separately also reduces greatly, switch gate is very convenient, and the flip angle of upper back door and lower back door all can reach 90 °, is conducive to the whole back of electronlmobil is all opened wide, strengthen the load space in the car, improved the practicality of vehicle.
5, the technical program is because to have adopted battery compartment be the technological means of the cage type framed structure that forms by rod member welding at the bottom of as the storehouse of battery compartment by the crossbeam vehicle frame, so, not only can save the materials of battery compartment, reduce the manufacturing cost of battery compartment, reduce the weight of battery compartment, and, can also improve the strength and stiffness of crossbeam vehicle frame.
6, the technical program is owing to having adopted the crossbeam vehicle frame to comprise section bar and bending part, the technological means that section bar and bending part cooperatively interact and be fixedly connected by welding, so, not only can greatly save the materials of crossbeam vehicle frame, reduce the manufacturing cost of crossbeam vehicle frame, greatly reduce the weight of crossbeam vehicle frame, and, the mechanical characteristics that can also give full play to section bar and bending part is guaranteed the strength and stiffness of crossbeam vehicle frame, increases load-carrying capacity.
7, the technical program is owing to having adopted the middle part of crossbeam vehicle frame front to protrude forward, form the front portion of crossbeam vehicle frame, the both sides of crossbeam vehicle frame front portion are respectively arranged with wheel, the arc-shaped frame of the rear portion of crossbeam vehicle frame for upwards swelling, upwards the below of the arc-shaped frame both sides of protuberance is respectively arranged with the technological means of wheel, so, not only can reduce the height of crossbeam vehicle frame and vehicle body, but also be conducive to increase the space in the car.Be the separable assembled structure between crossbeam vehicle frame and the vehicle body owing to having adopted again, so, can under the condition that does not change the crossbeam body frame structure for automotive, design multiple vehicle body and the accessory that is suitable for this crossbeam body frame structure for automotive, be convenient to repacking, reduce the new product development cost.
8, the technical program is provided with the technological means of anti-collision energy absorption device owing to the front of having adopted the operator's compartment outside, so, the safety that bumps in can effectively guaranteeing to travel.
9, the technical program is owing to having adopted two energy-absorbing plates to form with sheet stamping, the limit section of energy-absorbing plate is to 90 ° of side bendings, the middle part of energy-absorbing plate is provided with a plurality of energy-absorbings hole, so, energy-absorbing plate is more yielding, not only can save the materials of anti-collision energy absorption device, alleviates the weight of anti-collision energy absorption device, and, can also greatly improve the energy-absorbing effect of anti-collision energy absorption device.Again since adopted two energy-absorbing plates vertically, vertically-arranged, be distributed in the both sides of the outside front of described operator's compartment symmetrically, protrude forward at the middle part of two energy-absorbing plate front sides, the technological means of captiveing joint with the middle part of two energy-absorbing plate front sides respectively in the two ends of dowel bar, so, dowel bar is positioned at the foremost of electronlmobil, can guarantee that when bumping, dowel bar is subject to first impulse force, and with the distortion absorption of energy by energy-absorbing plate, to avoid the damage at other position of electronlmobil.
10, the technical program is the technological means of SMC composite board owing to having adopted the thermo-plastic planking, so, can give full play to the high-intensity characteristic of SMC composite board, for identical parts, after using the SMC composite material to make, weight alleviates 20-30% than steel, can be in the situation that guarantee that bus body strength alleviates tare.Again because the technological means that has adopted the SMC composite board to form with the compression molding method manufacturing, so, the high Design freedom of integrated degree is large, the flowing power of SMC material and forming process have determined that all multiple components can realize disposal molding, can reduce the operations such as the quantity of mould, frock and welding, assembling, thereby significantly reduce cost.Again because the SMC material has decay resistance, and flexing resistance is good, self-reparing capability, so, can reduce the cost savings energy with Metal Phase than the application of SMC.Compare with steel plate, aluminium sheet, SMC sheet material has the performance of good anti-exotic bump, can automatic rebounding after producing indenture when being subject to the exotic bump.When the technological means that adopts high-strength engineering plastic sheet material to form with the injection molding method manufacturing, has equally above-mentioned beneficial effect.
Description of drawings
The present invention is made the detailed description in a step below in conjunction with the drawings and specific embodiments.
Fig. 1 is the body structure of light-weight electric automobile of the present invention and the perspective view of body frame structure for automotive assembling.
Fig. 2 is the perspective view of the body structure of light-weight electric automobile of the present invention.
Fig. 3 is the schematic diagram of the back door of light-weight electric automobile of the present invention when opening.
Fig. 4 is the perspective view of the body frame structure for automotive of light-weight electric automobile of the present invention.
Fig. 5 is the left TV structure schematic diagram of the body frame structure for automotive of light-weight electric automobile of the present invention.
The specific embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 4, the light-weight electric automobile of present embodiment, the body structure 1 and the body frame structure for automotive 2 that is connected with body structure 1 bottom that comprise electronlmobil, described body structure 1 comprises vehicle body 1-1 and car door 1-2, and described vehicle body 1-1 and car door 1-2 are made of skeleton 1-3 and the thermo-plastic planking who is covered in the inside and outside surface of skeleton (drawing among the figure); The main body of described body frame structure for automotive 2 is to be made of crossbeam vehicle frame 2-1; The middle part of described crossbeam vehicle frame 2-1 is provided with battery compartment 2-2.Certainly, as a kind of light-weight electric automobile, also comprise power supply of the prior art, driving motor, speed regulation control device of motor, driving device, mobile devices, steering hardware, brake equipment etc.
The technical program has been owing to having adopted vehicle body and car door by skeleton and being covered in the technological means that the thermo-plastic planking on skeleton surface consists of, so, not only can guarantee intensity, rigidity and the safety of vehicle body and car door, and can alleviate significantly the weight of vehicle body and car door.The technological means that is consisted of by the crossbeam vehicle frame owing to having adopted the main body of electric automobile shelf structure again, so, can effectively improve the strength and stiffness on chassis, when four wheel discontinuity, vehicle body can not deform yet.Also be provided with the technological means of battery compartment owing to the middle part of having adopted the crossbeam vehicle frame, so, battery can be arranged on safest position, and enlarge cab space.
As a kind of improvement of present embodiment, as shown in Figure 2, described skeleton 1-3 is made of a plurality of punching press rod member 1-4; A plurality of described punching press rod member 1-4 are connected as a single entity by welding and form cage type body framwork 1-3; The inside and outside surface distribution of cage type body framwork 1-3 is useful on fixing described thermo-plastic planking's screw thread fixed orifice; Described thermo-plastic planking is fixedly connected to form whole sealing car body by screw and described cage type body framwork 1-3.
Present embodiment is owing to having adopted skeleton to be made of a plurality of punching press rod members; A plurality of punching press rod members are connected as a single entity by welding and form the technological means of cage type body framwork, so, can improve the strength and stiffness of vehicle body and car door.Again owing to having adopted the thermo-plastic planking to be fixedly connected to form the technological means of whole sealing car body by screw and skeleton, so, make simply, be conducive to reduce production costs.
Further improve as present embodiment, as shown in Figure 2, a plurality of described punching press rod member 1-4 comprise beam column 1-5, mast 1-6 and strut bar 1-7; Described beam column 1-5 comprises two front portion reclinate longeron bar 1-51 and four crossbeam bar 1-52; Described two front portion reclinate longeron bar 1-51 vertically are distributed in the both sides at vehicle body 1-1 top; Described four crossbeam bar 1-52 are distributed between described two front portion reclinate longeron bar 1-51 from front to back; Captive joint with described two front portion reclinate longeron bar 1-51 respectively in the two ends of each described crossbeam bar 1-52; The reclinate anterior framework that consists of front windshield of the first two described crossbeam bar 1-52 and longeron bar 1-51; The rear portion of rear three described crossbeam bar 1-52 and longeron bar 1-51 consists of vehicle body top skeleton; Described mast 1-6 comprises mast 1-63 behind two front mast 1-61, two middle mast 1-62 and two; Captive joint with described two front portion reclinate longeron bar 1-51 front ends respectively in the upper end of described two front mast 1-61; Described two front mast 1-61 and count the framework that first crossbeam bar 1-52 consists of front baffle board from the front; After described two captive joint with reclinate longeron bar 1-51 rear end, described two front portions respectively in the upper end of mast 1-63; Captive joint with described two front portion reclinate longeron bar 1-51 middle part respectively in the upper end of described two middle mast 1-62; The upper end of described two middle mast 1-62 is respectively near the two ends of several the 3rd crossbeam bars 52 from the front; Captive joint by strut bar 1-71 with described middle mast 1-62 bottom in the described front mast 1-61 bottom of each side; The described front mast 1-61 of each side, middle mast 1-62, strut bar 1-71 and anterior reclinate longeron bar 1-51 consist of the doorframe of described car door; Captive joint by two strut bar 1-72 with described rear mast middle part in the described middle mast 1-62 middle part of each side; The described middle mast 1-62 of each side, rear mast 1-63, two strut bar 1-72 and anterior reclinate longeron bar 1-51 consist of the skeleton of vehicle body sidewall; The bottom of mast 1-63 is by strut bar 1-73 captive joint after described two; After described two mast 1-63, strut bar 1-73 and from the front several the 4th crossbeam bar 1-52 consist of the doorframe of back door 1-8.
Present embodiment is owing to having adopted a plurality of beam columns, mast and strut bar that the integral structure of body framwork is optimized, so, in the intensity that has guaranteed vehicle body and car door, rigidity and safety, greatly reduced the quantity of the parts of vehicle body and car door, greatly reduced production process, greatly reduced manufacturing cost.
Further improve as present embodiment, as shown in Figures 2 and 3, described back door 1-8 has upper back door 1-81 and the lower back door 1-82 that outwards opens; The doorframe upside of the upside of described upper back door 1-81 and described back door 1-8 is hinged; The both sides of described upper back door 1-81 are connected by supported folding bar 1-91 respectively with the doorframe both sides of back door; The doorframe downside of the downside of described lower back door 1-82 and described back door 1-8 is hinged; The both sides of described lower back door 1-82 are connected by pull bar 1-92 respectively with the doorframe both sides of back door.
Present embodiment is because upper back door and the lower back door that has adopted back door to have outwards to open; The doorframe upside of the upside of upper back door and back door is hinged; The both sides of upper back door are connected by the supported folding bar respectively with the doorframe both sides of back door; The doorframe downside of the downside of lower back door and back door is hinged; The technological means that the both sides of lower back door and the doorframe both sides of back door are connected by pull bar respectively, so, upper back door and lower back door weight separately reduce greatly, height separately also reduces greatly, switch gate is very convenient, and the flip angle of upper back door and lower back door all can reach 90 °, is conducive to the whole back of electronlmobil is all opened wide, strengthen the load space in the car, improved the practicality of vehicle.
As also further improving of present embodiment, as shown in Figure 4 and Figure 5, described battery compartment 2-2 is the cage type framed structure that forms by the rod member welding at the bottom of as the storehouse of battery compartment 2-2 by described crossbeam vehicle frame 2-1.
Present embodiment is owing to having adopted the technological means of the cage type framed structure that battery compartment forms by the rod member welding at the bottom of as battery compartment by the crossbeam vehicle frame, so, not only can save the materials of battery compartment, reduce the manufacturing cost of battery compartment, reduce the weight of battery compartment, and, can also improve the strength and stiffness of crossbeam vehicle frame.
Further improve again as present embodiment, described crossbeam vehicle frame 2-1 comprises section bar and bending part, and described section bar and bending part cooperatively interact and be fixedly connected by welding.
Present embodiment is owing to having adopted the crossbeam vehicle frame to comprise section bar and bending part, the technological means that section bar and bending part cooperatively interact and be fixedly connected by welding, so, not only can greatly save the materials of crossbeam vehicle frame, reduce the manufacturing cost of crossbeam vehicle frame, greatly reduce the weight of crossbeam vehicle frame, and, the mechanical characteristics that can also give full play to section bar and bending part is guaranteed the strength and stiffness of crossbeam vehicle frame, increases load-carrying capacity.
Further improve as present embodiment, as shown in Figure 4 and Figure 5, protrude forward at the middle part of described crossbeam vehicle frame 2-1 front, forms the front portion of crossbeam vehicle frame 2-1; The both sides of described crossbeam vehicle frame 2-1 front portion are respectively arranged with wheel; The arc-shaped frame 2-3 of the rear portion of described crossbeam vehicle frame 2-1 for upwards swelling; Can find out from Fig. 4 and Fig. 5, upwards the arc-shaped frame 2-3 of protuberance is cooperatively interacted to be fixedly connected by welding to make by section bar, sheet material and bending part to form; The described upwards below of the arc-shaped frame 2-3 both sides of protuberance is respectively arranged with wheel.Be the separable assembled structure between described crossbeam vehicle frame 2-1 and the vehicle body.That is to say, be split between crossbeam vehicle frame 2-1 and the vehicle body, and can assemble together by welding, riveted joint and/or bolt.
Present embodiment is owing to having adopted the middle part of crossbeam vehicle frame front to protrude forward, form the front portion of crossbeam vehicle frame, the both sides of crossbeam vehicle frame front portion are respectively arranged with wheel, the arc-shaped frame of the rear portion of crossbeam vehicle frame for upwards swelling, upwards the below of the arc-shaped frame both sides of protuberance is respectively arranged with the technological means of wheel, so, not only can reduce the height of crossbeam vehicle frame and vehicle body, but also be conducive to increase the space in the car.Be the separable assembled structure between crossbeam vehicle frame and the vehicle body owing to having adopted again, so, can under the condition that does not change the crossbeam body frame structure for automotive, design multiple vehicle body and the accessory that is suitable for this crossbeam body frame structure for automotive, be convenient to the repacking of electronlmobil, reduce the new product development cost.
Further improve as present embodiment, as shown in Figure 4 and Figure 5, the front portion of crossbeam vehicle frame 2-1 is provided with operator's compartment 2-4 again, and the front of described operator's compartment 2-4 outside is provided with anti-collision energy absorption device 2-5.
Present embodiment is provided with the technological means of anti-collision energy absorption device owing to the front of having adopted the operator's compartment outside, so, the safety that bumps in can effectively guaranteeing to travel.
Also further improve as present embodiment, as shown in Figure 4 and Figure 5, described anti-collision energy absorption device 2-5 comprises two energy-absorbing plate 2-51 and a dowel bar 2-51; Described two energy-absorbing plate 2-51 adopt sheet stamping to form, and the limit section of energy-absorbing plate 2-51 is to 90 ° of side bendings, and the middle part of energy-absorbing plate 2-51 is provided with a plurality of energy-absorbings hole; Described two energy-absorbing plate 2-51 vertically, vertically-arranged, be distributed in the both sides of the outside front of described operator's compartment symmetrically, protrude forward at the middle part of described two energy-absorbing plate 2-51 front sides, captives joint with the middle part of described two energy-absorbing plate 2-51 front sides respectively in the two ends of described dowel bar 2-52.As can be seen from Figure 4, the shape of described dowel bar 2-52 cross-sectional plane is " recessed " font, and described dowel bar 2-52 and energy-absorbing plate 2-51 are fixedly connected by welding by pipe link 2-53.
Present embodiment is owing to having adopted two energy-absorbing plates to form with sheet stamping, the limit section of energy-absorbing plate is to 90 ° of side bendings, the middle part of energy-absorbing plate is provided with a plurality of energy-absorbings hole, so, energy-absorbing plate is more yielding, not only can save the materials of anti-collision energy absorption device, alleviates the weight of anti-collision energy absorption device, and, can also greatly improve the energy-absorbing effect of anti-collision energy absorption device.Again since adopted two energy-absorbing plates vertically, vertically-arranged, be distributed in the both sides of the outside front of described operator's compartment symmetrically, protrude forward at the middle part of two energy-absorbing plate front sides, the technological means of captiveing joint with the middle part of two energy-absorbing plate front sides respectively in the two ends of dowel bar, so, dowel bar is positioned at the foremost of electronlmobil, can guarantee that when bumping, dowel bar is subject to first impulse force, and with the distortion absorption of energy by energy-absorbing plate, to avoid the damage at other position of electronlmobil.
Further improve again as present embodiment, described thermo-plastic planking is SMC composite board and high-strength engineering plastic sheet material; Described SMC composite board adopts the compression molding method manufacturing to form; Described high-strength engineering plastic sheet material adopts the injection molding method manufacturing to form.
Present embodiment is the technological means of SMC composite board owing to having adopted the thermo-plastic planking, so, can give full play to the high-intensity characteristic of SMC composite board, for identical parts, after using the SMC composite material to make, weight alleviates 20-30% than steel, can be in the situation that guarantee that bus body strength alleviates tare.Again because the technological means that has adopted the SMC composite board to form with the compression molding method manufacturing, so, the high Design freedom of integrated degree is large, the flowing power of SMC material and forming process have determined that all multiple components can realize disposal molding, can reduce the operations such as the quantity of mould, frock and welding, assembling, thereby significantly reduce cost.Again because the SMC material has decay resistance, and flexing resistance is good, self-reparing capability, so, can reduce the cost savings energy with Metal Phase than the application of SMC.Compare with steel plate, aluminium sheet, SMC sheet material has the performance of good anti-exotic bump, can automatic rebounding after producing indenture when being subject to the exotic bump.When the technological means that adopts high-strength engineering plastic sheet material to form with the injection molding method manufacturing, has equally above-mentioned beneficial effect.
Further improve as present embodiment, a plurality of described punching press rod member 1-4 adopt the hydroform method manufacturing to form, and a plurality of described punching press rod member 1-4 adopt splicing welding process welding forming.
Present embodiment is because the technological means that adopted a plurality of punching press rod members to form with the hydroform method manufacturing, so, can save the welding flange, also be conducive to the integrated of different parts, and then reached the purpose of expendable weight.Owing to having adopted a plurality of punching press rod members technological means of splicing welding process welding forming, can adopt accordingly in the difference of different parts strained condition the steel of varying strength and rigidity again, give play to fully the effect of steel.
Further improve as present embodiment, as shown in Figure 2, described car door 1-2 comprises the skeleton of car door 1-2 bottom and the window frame 1-21 on car door 1-2 top; The skeleton of described car door 1-2 bottom comprises two perpendicular strut bar 1-75 and four horizontal strut bar 1-74 that put, four horizontal strut bar 1-74 are distributed between two perpendicular strut bar 1-75 that put, and captive joint with two perpendicular strut bar 1-75 that put by welding respectively in the two ends of the strut bar 1-74 that each is horizontal; The window frame 1-21 of described car door 1-2 is the roll extrusion part, and described roll extrusion part is captiveed joint with the skeleton of described car door 1-2 by welding.
Present embodiment is because to have adopted the window frame of car door be the roll extrusion part, the technological means that the roll extrusion part is captiveed joint with the skeleton of car door by welding, so, improved the rigidity of car door, reduced the expense of developing.
Further improve as present embodiment, the integrally-built design of described vehicle body, the design of described skeleton structure all adopt Hypermesh finite element pre-processing software and Optistruct topological optimization software to design.
Present embodiment has been owing to having adopted the integrally-built design of vehicle body, the technological means that the design of skeleton structure all designs with Hypermesh finite element pre-processing software and Optistruct topological optimization software, so, can obtain minimum weight structure design.
Further improve as present embodiment, described crossbeam vehicle frame 2-1 is connected with wheel by the fore suspension and rear suspension device; The cantilever of described crossbeam vehicle frame 2-1 and described draft hitch is hinged by shock-reducing sleeve, and described shock-reducing sleeve is arranged on the polysulphide rubbers cover on the hinge.
Present embodiment is owing to having adopted the crossbeam vehicle frame to be connected with wheel by the fore suspension and rear suspension device; The technological means that the cantilever of crossbeam vehicle frame and draft hitch is hinged by shock-reducing sleeve hangs the sensation of feedback in car that road pavement jolts and wants slight a lot, so, when jolting the road surface, hold the visitor and can feel more steady more comfortable travelling.
Further improve as present embodiment, described crossbeam vehicle frame 2-1 is connected by elastic element with vehicle body.Described elastic element is elastic support.
Present embodiment is because the technological means that has adopted crossbeam vehicle frame and vehicle body to be connected by elastic element, so, elastic element makes and produces relative motion between crossbeam vehicle frame and the vehicle body or produce the trend of relative motion, effectively played the effect of bumper and absorbing shock, vehicle can relatively hug the road on highway.
Further improve as present embodiment, a plurality of described punching press rod member 1-4 are stamped to form by high tensile steel plate.Described high tensile steel plate is that baking hardened steel, phosphorated steel, Hi-Stren steel or dual phase steel employing tensile strength are that the bake hardening steel of 340MPa level, phosphorous steel plate replace the regular tenacity steel plate to produce bodywork parts, makes the part thickness attenuate.Bake hardening steel has 15 kinds of parts, and phosphorous steel plate has 9 kinds of parts, and two kinds of steel plates are so that the bicycle expendable weight is about 28kg.
Described anti-collision energy absorption device 2-5 is made by aluminium.The density of aluminium is 2. 7g/ cm, is about 1/3 of steel.Aluminium has many advantages as automotive material, as under the condition that satisfies the same mechanical performance, than steel reduce quality 60 %, be easy to reclaim, in bumper car than steel many energy of absorption 50 %, do not need antirust processing etc.
Make bodywork parts with the unsaturated polyester plastic that glass fibre strengthens, than drawn-steel light 40 %, and withstanding corrosion and forming.Adopt the directly compression molding on compression machine of glass fiber reinforcement unsaturated polyester mold pressing composite plastic plate, only need cut away overlap after the moulding.
The described thermo-plastic planking who is covered in the skeleton surface has adopted a kind of high elastic modulus composite material, and the length of glass fibre is the 12-25 millimeter.With vehicle body (door) covering that this material is made, to compare with steel vehicle body (door) plate, its weight has reduced 50%.
In the application of instrument desk, a plurality of metallic elements are integrated on the same plastic stent, support expendable weight 40% reduces manufacturing cost, has improved the efficient of assembling.
Described a plurality of described punching press rod member 1-4 is through once-forming after the high-temperature heating of 950 ° of C with high tensile steel plate, thereby again rapidly the cooling General Promotion armor plate strength, the surrender degree reaches the height of 1000Mpa, every sq cm can bear the pressure more than 10 tons, this material is used on the vehicle body, almost do not have under the too large situation of change at tare, holding capacity has improved 30%.
The advantage of Heat forming steel plate technology: high strength of material and ductility.The tensile strength of general high tensile steel plate is about 400-450MPa, and tensile strength has just reached 500-800 MPa before the thermoforming steel heating, and heating then is increased to 1300-1600 MPa after being shaped, for the 3-4 of common iron doubly, its hardness is only second to pottery, but has the toughness of steel.Therefore the vehicle body of being made by the Heat forming steel plate has improved Yao collision ability and the overall security of vehicle body greatly, can play a very good protection to the occupant in collision.Actv. alleviates complete vehicle weight, energy efficient.Owing to the high strength of material of Heat forming steel plate, therefore when design, can replace with a thermoforming part part of a plurality of general steel plates.The middle mast 1-62 of car door 1-2 rear side in this vehicle for example, owing to adopted the Heat forming steel plate then no longer to need strength beam, in the situation that proof strength, reduce by 4 parts, approximately 3.5 kilograms of losss of weight have reduced energy resource consumption naturally, and the reduction use cost has also been played booster action.The Heat forming steel plate has good material forming accuracy, eliminates the impact of material resilience, can realize complicated shape.Because the particular characteristics of Heat forming steel plate, and be to add post forming, therefore can finish the complicated shape that common cold stamping is shaped needs multiple working procedure just can finish at a procedure.One-time formed technique benefit is to guarantee that steel plate is in the middle of the course of processing, the steel plate internal fiber flows to the impact that needn't be subject to secondary loading, guarantee that steel plate keeps best intensity and toughness, and behind part forming, cool off fast, springback capacity behind the part forming is very little, greatly improved the material forming accuracy, better guaranteed parts size precision, for next step automobile body welding is laid a good foundation.
The skeleton 1-3 front inner surface of described vehicle body 1-1 is front wall, and the upper surface of described crossbeam vehicle frame 2-1 is the floor, and described front wall, floor and described battery flat adopt the SMC material.Proof strength, simultaneously expendable weight.SMC advantage: such as SMC chair surface of mold pressing, connect and added clamp time only 7 minutes non-cutting time; Press a standard shop front, take 3 minutes; BMC injection automobile headlamp reflecting surface half a minute is produced 2; SMC mold pressing diameter 1.8 meters (36 kilogram weights) takes 6 minutes; High-quality goods can be produced, A level surface can be reached; But the part with complicated structure global formation, various architectural features as: hole, boss, muscle, groove etc. are simultaneously moulding all; Utilization rate of raw materials is high; Can regulate easily glass fibre length and prescription, adapt to the product of different size, differing complexity requirement.
GMT is take continuous Glass Fiber Mat as core, the sheet material that forms with thermoplastic resin modified polypropylene composite materials.Moulding is fast, and pressure is low, and density is low, good toughness, reproducible utilization.The environmental protection composite material.Be used for significantly loss of weight of cushion frame, the range of decrease can reach 50% cost can reduce by 10-20%.In interior material, used in a large number the GMT material technology, so that the weight of vehicle body is reduced.
Described door sash, front/rear collision bumper skeleton have adopted the flow forming technology; Metal works is after surface rolling processing, and strengthened ultimate strength and yield point of top layer increases, and the in-use performance of workpiece, fatigue resistance, resistance to abrasion and corrosion stability all are significantly improved.Press processing can make roughness of surface bring up to Ra2.4～Ra0.2 from Ra6.3.And higher production efficiency is arranged, and some workpiece can be finished roll extrusion within several minutes or several seconds.The weight of the more whole punching press bound edge of the doorframe weight doorframe of simultaneously roll extrusion part wants light.
Optimize the application of part and assembly design
In modern automobile industry, the CAD/CAE/CAM integrated technique plays an important role, and has contained the links of automobile design and manufacturing:
The design check of automobile;
The car load solid modelling;
The three dimensional design of vehicle body;
The numerical control machining of auto parts and components;
The vibration of car load and fatigue analysis;
Replace real vehicle test and destructive Collision test with computer simulation technique.
This technology has become auto-industry and has realized many kinds, high quality, minor cycle, strong guarantee cheaply.Therefore in the automotive light weight technology design, have a good application prospect.
1. topological optimization: the conceptual phase that is applied in structure more.Main thought is that the optimum topological problem of will seek structure is converted into the problem of seeking the most optimum materials distribution in given design section.The Topology Optimization Method of Continuum Structure commonly used has at present: Varying-thickness method, variable density (VD) method and homogenization method.
2. pattern optimization: can the parameters such as form, trend and depth of reinforced rib be optimized
3. shape and size optimization: this construction design method has been used for the part designs such as automobile hind axle differential casing, semiaxis.This Shape Optimization based on the biology increasing law can be received both to reduce part quality, avoids again the effect on local stress peak.To the position storage material that bears high load capacity, to remove and to bear the material at underload position, the shape of part will the stress peak occur and distribution of stress is evenly designed according to avoiding
The thickness optimization example:
Minimum with body quality, as optimization aim; With the lower mode of vehicle body and torsional stiffness as constraint; With the thickness of slab of bodywork parts as variable.For example because unitized frame has adopted the crossbeam profile structure, whole stiffness and strength is better than traditional radius punching press vehicle frame greatly, and therefore corresponding flooring material thickness is reduced to 0.6mm, and integral body has alleviated weight.
As a kind of preferred, described driving motor, driving device (comprise that retarder is connected with diff, the mobile devices (rear suspension that comprises rear vehicle bridge, the rear vehicle bridge of connection and vehicle frame; ) a kind of integrated motor rear-guard of integrated formation rear suspension mechanism.Specifically, described integrated motor rear-guard rear suspension mechanism comprises the driver train that rear vehicle bridge, the rear vehicle bridge of driving are rotated and the rear suspension that is connected rear vehicle bridge and vehicle frame; Described rear vehicle bridge comprises two rear axle shafts; Described driver train comprises diff, retarder and electrical motor from front to back successively; Two output shafts of described diff are captiveed joint with an end of described two rear axle shafts is coaxial respectively; Described diff is satellite differential, and the planetary gear carrier in the described satellite differential is provided with the cylindricality input gear, and described cylindricality input gear is sleeved on the output shaft in the described satellite differential rotatably; Described satellite differential and described retarder integrated installation are in same integrated housing; Cylindricality input gear in the output shaft of described retarder and the described satellite differential is in transmission connection by output gear is integrated; Output shaft in the output shaft of described retarder and the described satellite differential is parallel to each other; The input shaft of described retarder is captiveed joint with the output shaft integrated coaxial of described electrical motor.
Described retarder is two-stage reduction gear and is integrated with gearshift assembly and Parking assembly; Be fixedly installed respectively high speed driving gear and low-speed active gear on the input shaft of described two-stage reduction gear, cover has high speed driven gear and low speed driven gear on the output shaft of described two-stage reduction gear, high speed driven gear and high speed driving gear are intermeshing, and low speed driven gear and low-speed active gear are intermeshing; Between described high speed driven gear and low speed driven gear, be provided with the synchro assembly; Described synchro assembly comprises that two synchros are in conjunction with tooth, two synchro converter rings, three synchronizer key, two synchronizer spring circles, a synchromesh gear hub and a synchronizer gear sleeve; Described two synchros are captiveed joint with the low speed driven gear with described high speed driven gear respectively in conjunction with tooth; Described two synchro converter rings are combined respectively tooth and are connected by synchronous friction face synchrodrive with two described synchros; Described synchromesh gear hub is captiveed joint with described output shaft by spline; Circumferentially be distributed with equably three axial channel along described synchromesh gear hub; Three described synchronizer key are fastened on respectively in three axial channel of described tooth hub; The end face of three described synchronizer key is respectively arranged with shifting block; Corresponding three synchronizer key of the madial wall of described synchronizer gear sleeve are distributed with three axial slides; These three axial slides are corresponding with three axial channel of synchromesh gear hub, and the bottom surface of these three axial slides respectively shifting block of corresponding three described synchronizer key is provided with group mouth; Groove is stirred along circumferentially being provided with annular arrangement in the lateral wall middle part of synchronizer gear sleeve; Described synchronizer gear sleeve is sleeved on the synchromesh gear hub and can comes and goes vertically mobile; Described group of mouth is stuck on the described shifting block; The synchromesh tooth of synchronizer gear sleeve and two synchros all are positioned on the same face of cylinder in conjunction with the synchromesh tooth of the synchromesh tooth of tooth, two synchro converter rings and the synchromesh tooth of synchromesh gear hub; Two described synchronizer spring circles are the annular arrangement with opening, are positioned at abreast the two ends of synchromesh gear hub; Two institute's art synchronizer spring circle lateral surfaces withstand on three described synchronizer key bottoms, and three synchronizer key are radially pushed up to the bottom of three chutes of synchronizer gear sleeve; Three described synchronizer key are connected by synchronous friction face synchrodrive with described two synchro converter rings respectively.
The high speed driving gear of described two-stage reduction gear and low-speed active gear and input shaft are the solid forging structures; The output shaft of described two-stage reduction gear and output gear are the solid forging structures.
The input shaft of described retarder is captiveed joint with the output shaft integrated coaxial of described electrical motor and is directly used spline integrated coaxial captive joint, and the housing of described electrical motor is positioned at the logical flange in described input shaft place with described integrated housing and captives joint with bolt.
Coaxial to captive joint be by the coaxial captive joint of spline to two output shafts of described diff with an end of described two rear axle shafts respectively; Described two rear axle shafts overlap respectively the semiaxis axle housing are arranged; Two described semiaxis axle housings are captiveed joint by bolt with flange with described output shaft place, described integrated housing position respectively.
The cavity shape of described integrated housing and described satellite differential are corresponding with the integral outer profile that described retarder is integrated after being in transmission connection; The housing that described integrated housing is split by two halves consists of, and the housing that described two halves are split is split in same plane or be involutory, and this plane is faying face; Output shaft in the described satellite differential is perpendicular to described faying face; Perhaps, the axis of the axis of output shaft and described reducer input shaft all is positioned at described faying face in the described satellite differential; The housing that described two halves are split is mutually involutory, on the contact surface of apposition position, be provided with accordingly locating dowel pin and knock hole, the circumferential outer wall of housing of splitting along two halves has many to outward extending flange, a flange in every a pair of flange is provided with through hole, another flange in every a pair of flange is provided with the screw thread fixed orifice accordingly, and is furnished with fix screw.
Described rear suspension comprises two upper trailing arms, two lower trailing arms, a stabilizer rod and two bumpers; Described two rear axle shafts overlap respectively the semiaxis axle housing are arranged; The rear end of described two upper trailing arms is hinged with the semiaxis axle housing upper side of described two rear axle shafts respectively; The rear end of described two lower trailing arms is hinged with the semiaxis axle housing downside of described two rear axle shafts respectively; A described stabilizer rod is horizontally installed on the rear of described rear vehicle bridge; The semiaxis axle housing trailing flank of a described rear axle shaft is captiveed joint with the front end of propelling rod; One end of the rear end of described propelling rod and described stabilizer rod is hinged; Captive joint with the semiaxis axle housing of described two rear axle shafts respectively in the lower end of described two bumpers.
The rear end of described two upper trailing arms is hinged with the semiaxis axle housing upper side of described two rear axle shafts respectively, is provided with the polysulphide rubbers cover between its hinge and the fraising; The rear end of described two lower trailing arms is hinged with the semiaxis axle housing downside of described two rear axle shafts respectively, is provided with the polysulphide rubbers cover between its hinge and the fraising; One end of the rear end of described propelling rod and described stabilizer rod is hinged, is provided with the polysulphide rubbers cover between its hinge and the fraising.
Described two upper trailing arms are the lateral symmetry distribution with respect to the longitudinal midline of automobile; Described two lower trailing arms are the lateral symmetry distribution with respect to the longitudinal midline of automobile; Upper trailing arm on the semiaxis axle housing of each described rear axle shaft and lower trailing arm intersect mutually.
Claims (10)
1. light-weight electric automobile, the body structure and the body frame structure for automotive that is connected with the body structure bottom that comprise electronlmobil, described body structure comprises vehicle body and car door, it is characterized in that: described vehicle body and car door are made of with the thermo-plastic planking who is covered in the inside and outside surface of skeleton skeleton; The main body of described body frame structure for automotive is to be made of the crossbeam vehicle frame; The middle part of described crossbeam vehicle frame is provided with battery compartment.
2. light-weight electric automobile according to claim 1, it is characterized in that: described skeleton is made of a plurality of punching press rod members; A plurality of described punching press rod members are connected as a single entity by welding and form the cage type body framwork; The inside and outside surface distribution of cage type body framwork is useful on fixing described thermo-plastic planking's screw thread fixed orifice; Described thermo-plastic planking is fixedly connected to form whole sealing car body by screw and described cage type body framwork.
3. according to light-weight electric automobile claimed in claim 2, it is characterized in that: a plurality of described punching press rod members comprise beam column, mast and strut bar; Described beam column comprises two reclinate longeron bars in front portion and four crossbeam bars; The reclinate longeron bar in described two front portions vertically is distributed in the both sides at vehicle body top; Described four crossbeam bars are distributed between the reclinate longeron bar in described two front portions from front to back; Captive joint with the reclinate longeron bar in described two front portions respectively in the two ends of each described crossbeam bar; The reclinate anterior framework that consists of front windshield of the described crossbeam bar of the first two and longeron bar; The rear portion of rear three described crossbeam bars and longeron bar consists of vehicle body top skeleton; Described mast comprises mast behind two front masts, two middle masts and two; Captive joint with described two front portion reclinate longeron bar front ends respectively in the upper end of described two front masts; Described two front masts and count the framework that first crossbeam bar consists of front baffle board from the front; After described two captive joint with the reclinate longeron rod rear end in described two front portions respectively in the upper end of mast; Captive joint with reclinate longeron bar middle part, described two front portions respectively in the upper end of described two middle masts; The upper end of described two middle masts is respectively near the two ends of several the 3rd crossbeam bars from the front; Captive joint by strut bar with described middle mast bottom in the described front mast bottom of each side; The described front mast of each side, middle mast, strut bar and anterior reclinate longeron bar consist of the doorframe of described car door; Captive joint by two strut bars with described rear mast middle part in the described middle mast middle part of each side; The described middle mast of each side, rear mast, strut bar and anterior reclinate longeron bar consist of the skeleton of vehicle body sidewall; The bottom of mast is by the strut bar captive joint after described two; Mast after described two, strut bar and from the front several the 4th crossbeam bars consist of the doorframe of back doors.
4. light-weight electric automobile according to claim 3, it is characterized in that: described back door has upper back door and the lower back door that outwards opens; The doorframe upside of the upside of described upper back door and described back door is hinged; The both sides of described upper back door are connected by the supported folding bar respectively with the doorframe both sides of back door; The doorframe downside of the downside of described lower back door and described back door is hinged; The both sides of described lower back door are connected by pull bar respectively with the doorframe both sides of back door.
5. light-weight electric automobile according to claim 1 is characterized in that: described battery compartment is the cage type framed structure that forms by the rod member welding at the bottom of as battery compartment by described crossbeam vehicle frame.
6. light-weight electric automobile according to claim 1, it is characterized in that: described crossbeam vehicle frame comprises section bar and bending part, and described section bar and bending part cooperatively interact and be fixedly connected by welding.
7. light-weight electric automobile according to claim 1, it is characterized in that: protrude forward at the middle part of described crossbeam vehicle frame front, forms the front portion of crossbeam vehicle frame; The both sides of described crossbeam vehicle frame front portion are respectively arranged with wheel; The arc-shaped frame of the rear portion of described crossbeam vehicle frame for upwards swelling; The described upwards below of the arc-shaped frame both sides of protuberance is respectively arranged with wheel; Be the separable assembled structure between described crossbeam vehicle frame and the vehicle body.
8. light-weight electric automobile according to claim 1, it is characterized in that: the front portion of crossbeam vehicle frame is provided with operator's compartment, and the front of described operator's compartment outside is provided with the anti-collision energy absorption device.
9. light-weight electric automobile according to claim 8, it is characterized in that: described anti-collision energy absorption device comprises two energy-absorbing plates and a dowel bar; Described two energy-absorbing plates are to adopt sheet stamping to form, and the limit section of energy-absorbing plate is to 90 ° of side bendings, and the middle part of energy-absorbing plate is provided with a plurality of energy-absorbings hole; Described two energy-absorbing plates vertically, vertically-arranged, be distributed in the both sides of the outside front of described operator's compartment symmetrically, protrude forward at the middle part of described two energy-absorbing plate front sides, captive joint with the middle part of described two energy-absorbing plate front sides respectively in the two ends of described dowel bar.
10. light-weight electric automobile according to claim 1, it is characterized in that: described thermo-plastic planking is SMC composite board and high-strength engineering plastic sheet material; Described SMC composite board adopts the compression molding method manufacturing to form; Described high-strength engineering plastic sheet material adopts the injection molding method manufacturing to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102886402A CN103318263A (en) | 2013-07-10 | 2013-07-10 | Lightweight electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102886402A CN103318263A (en) | 2013-07-10 | 2013-07-10 | Lightweight electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103318263A true CN103318263A (en) | 2013-09-25 |
Family
ID=49187389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102886402A Pending CN103318263A (en) | 2013-07-10 | 2013-07-10 | Lightweight electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103318263A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002867A (en) * | 2014-05-23 | 2014-08-27 | 河南速达电动汽车科技有限公司 | Electric car body structure |
| CN104494408A (en) * | 2014-12-15 | 2015-04-08 | 东风汽车公司 | Miniature purely electric car chassis layout structure |
| CN106515859A (en) * | 2016-11-30 | 2017-03-22 | 北京宏瑞汽车科技股份有限公司 | Lightweight electric car |
| CN111222264A (en) * | 2019-11-01 | 2020-06-02 | 长春英利汽车工业股份有限公司 | Manufacturing method of composite continuous glass fiber reinforced front-end module |
| CN111324980A (en) * | 2020-01-21 | 2020-06-23 | 重庆长安汽车股份有限公司 | Lightweight hierarchical optimization design method for automobile structure |
| CN112784461A (en) * | 2021-01-28 | 2021-05-11 | 东风汽车集团股份有限公司 | Automobile back door inner plate structure design method and system based on simulation analysis |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002070322A1 (en) * | 2001-03-02 | 2002-09-12 | Magna International Inc. | Hybrid space frame for motor vehicule |
| US6454341B2 (en) * | 2000-06-20 | 2002-09-24 | Meritor Light Vehicle Systems, Inc. | Lift gate for a motor vehicle |
| CN101372212A (en) * | 2007-08-24 | 2009-02-25 | 比亚迪股份有限公司 | Crash-proof pole of vehicle and anticollision device including the crash-proof pole |
| CN201670271U (en) * | 2010-04-19 | 2010-12-15 | 鲍文光 | Bearing-type ultra-micro low-speed pure electric automobile body |
| US20110049937A1 (en) * | 2009-08-27 | 2011-03-03 | Honda Motor Co., Ltd. | Vehicle body structure |
| CN201989854U (en) * | 2011-03-10 | 2011-09-28 | 宁波吉江汽车制造有限责任公司 | Electric automobile |
| CN202378963U (en) * | 2011-12-29 | 2012-08-15 | 东风汽车股份有限公司 | Aluminum alloy vehicle body of electric minicar |
| CN203268133U (en) * | 2013-04-18 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Body structure of electric automobile |
| CN203268128U (en) * | 2013-04-22 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Frame structure of electric automobile |
-
2013
- 2013-07-10 CN CN2013102886402A patent/CN103318263A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454341B2 (en) * | 2000-06-20 | 2002-09-24 | Meritor Light Vehicle Systems, Inc. | Lift gate for a motor vehicle |
| WO2002070322A1 (en) * | 2001-03-02 | 2002-09-12 | Magna International Inc. | Hybrid space frame for motor vehicule |
| CN101372212A (en) * | 2007-08-24 | 2009-02-25 | 比亚迪股份有限公司 | Crash-proof pole of vehicle and anticollision device including the crash-proof pole |
| US20110049937A1 (en) * | 2009-08-27 | 2011-03-03 | Honda Motor Co., Ltd. | Vehicle body structure |
| CN201670271U (en) * | 2010-04-19 | 2010-12-15 | 鲍文光 | Bearing-type ultra-micro low-speed pure electric automobile body |
| CN201989854U (en) * | 2011-03-10 | 2011-09-28 | 宁波吉江汽车制造有限责任公司 | Electric automobile |
| CN202378963U (en) * | 2011-12-29 | 2012-08-15 | 东风汽车股份有限公司 | Aluminum alloy vehicle body of electric minicar |
| CN203268133U (en) * | 2013-04-18 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Body structure of electric automobile |
| CN203268128U (en) * | 2013-04-22 | 2013-11-06 | 北京北方鸿瑞汽车技术有限公司 | Frame structure of electric automobile |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002867A (en) * | 2014-05-23 | 2014-08-27 | 河南速达电动汽车科技有限公司 | Electric car body structure |
| CN104494408A (en) * | 2014-12-15 | 2015-04-08 | 东风汽车公司 | Miniature purely electric car chassis layout structure |
| CN104494408B (en) * | 2014-12-15 | 2017-11-07 | 东风汽车公司 | A kind of pure electric mini-car chassis arrangement |
| CN106515859A (en) * | 2016-11-30 | 2017-03-22 | 北京宏瑞汽车科技股份有限公司 | Lightweight electric car |
| CN111222264A (en) * | 2019-11-01 | 2020-06-02 | 长春英利汽车工业股份有限公司 | Manufacturing method of composite continuous glass fiber reinforced front-end module |
| CN111222264B (en) * | 2019-11-01 | 2023-03-03 | 长春英利汽车工业股份有限公司 | Manufacturing method of composite continuous glass fiber reinforced front-end module |
| CN111324980A (en) * | 2020-01-21 | 2020-06-23 | 重庆长安汽车股份有限公司 | Lightweight hierarchical optimization design method for automobile structure |
| CN112784461A (en) * | 2021-01-28 | 2021-05-11 | 东风汽车集团股份有限公司 | Automobile back door inner plate structure design method and system based on simulation analysis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Fentahun et al. | Materials used in automotive manufacture and material selection using ashby charts | |
| CN103318263A (en) | Lightweight electric vehicle | |
| JP2021504239A (en) | Body platforms for cars, and cars with such body platforms | |
| CN201670271U (en) | Bearing-type ultra-micro low-speed pure electric automobile body | |
| CN203958341U (en) | Electronlmobil and body in white thereof | |
| CN207860276U (en) | Preceding damping tower and automobile | |
| CN103358841B (en) | Swinging arm of automobile suspension system, corresponding suspension system and automobile | |
| KR100929527B1 (en) | Front side member assembly | |
| CN202923715U (en) | Automobile front auxiliary frame and corresponding automobile | |
| Cischino et al. | An advanced technological lightweighted solution for a body in white | |
| CN102530081A (en) | Frame of electric car | |
| CN111891224B (en) | Front cabin structure and vehicle with same | |
| CN110909421A (en) | Integrated forming method for automobile front bumper beam and front bumper beam | |
| Hashimoto | Application of Aluminum extrusions to automotive parts | |
| CN207060158U (en) | A kind of front rail structure of body of a motor car front deck | |
| CN204775494U (en) | Additional strengthening who connects automobile body B post and top cap crossbeam | |
| Zhao et al. | A review of automotive lightweight technology | |
| Beals et al. | Aluminum high pressure vacuum die casting applications for the multi material lightweight vehicle program (MMLV) body structure | |
| CN204161496U (en) | Operator's compartment and vehicle | |
| Kopp et al. | New multi-material design concepts and high integration light metal applications for lightweight body structures | |
| Saidpour | Lightweight high performance materials for car body structures | |
| Belingardi et al. | Recent development in car body lightweight design–a contribution toward greener environment | |
| CN205801261U (en) | A kind of air regulator crossbeam and use its automobile | |
| Urban et al. | Advanced automotive body structures and closures | |
| CN102328691B (en) | Vehicle frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130925 |
|
| RJ01 | Rejection of invention patent application after publication |