CN102815338A - Frame structure for car body of light-weight full-loading type passenger car - Google Patents
Frame structure for car body of light-weight full-loading type passenger car Download PDFInfo
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- CN102815338A CN102815338A CN2012102827043A CN201210282704A CN102815338A CN 102815338 A CN102815338 A CN 102815338A CN 2012102827043 A CN2012102827043 A CN 2012102827043A CN 201210282704 A CN201210282704 A CN 201210282704A CN 102815338 A CN102815338 A CN 102815338A
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Abstract
The invention relates to a frame structure for a car body of a light-weight full-loading type passenger car. The frame structure comprises a roof frame, a front wall frame, a rear wall frame, a side wall frame and a chassis. The frame structure for the car body is wholly formed by welding aluminum alloy materials. The whole strength of the car body is not lower than that of a traditional steel car body frame while the weight of the car body frame is greatly reduced and the energy consumption of the whole car is reduced. The frame structure is made of the pure aluminum material, so that the service life of the car body frame is prolonged.
Description
Technical field
The present invention relates to automobile manufacturing field, specifically, relate to a kind of full-bearing type bus body frame structure that adopts aluminum alloy materials to manufacture.
Background technology
The passenger car body skeleton by underframe, all around skeleton and roof skeleton six large stretch of skeletons constitute, and according to the difference of vehicle body bearing load degree, can be divided into non-bearing formula, half bearing-type and three kinds of body frame structures of full-bearing type.Wherein, the non-bearing formula is meant that automobile has chassis frame, and vehicle body places on the chassis frame, connects with elastic element, mainly leans on the chassis frame load-bearing, and vehicle body is not participated in stressed.Half bearing-type; Be meant that auto body underframe and chassis frame are integrated, the bracket through on chassis frame, being provided with, vehicle body chassis member such as beam in length and breadth make chassis frame be connected with body understructure; And then with other five large stretch of connections of vehicle body, constitute the vehicle body hexahedron jointly.The common load-bearing of body understructure and chassis frame.Full-bearing type is meant that automobile does not have chassis frame, and vehicle chassis component like driving engine, front and back bridge etc., directly is contained on the body understructure, and vehicle body six big chip architectures are leaned in load-bearing fully.
In the reality, utilize aluminum alloy materials to replace steel to use as the body framing material is existing, than the steel passenger vehicle, the advantage of aluminium passenger vehicle is; Car body weight reduces, and load-carrying capacity is improved, and energy consumption is minimized, and; Aluminium is difficult for by corrosion, so body framing is able to prolong service life.The change of material is an aspect of passenger vehicle lightweight research, is on the other hand, when material changes, how to guarantee that passenger vehicle intensity is constant, even improves, and this is then relevant with passenger car body skeleton structure and connection mode design thereof.As previously mentioned, body frame structure is divided into three kinds, in the reality; Existing full aluminium half bearing-type passenger vehicle technology is open; Disclose a kind of electronlmobil that adopts the full-bearing type aluminium alloy bicycle frame like CN201020283977, its vehicle frame is made up of underframe, side wall frame and roof skeleton, but this car still contains the chassis; Vehicle frame just part carries, so be merely half bearing-type passenger vehicle.Passenger car body skeleton connection mode has three kinds, promptly is spirally connected, rivets and weld.In the reality; The full aluminium full-bearing type passenger vehicle technology that existing employing was spirally connected, riveted mode discloses; Disclose a kind of lightweight coach body structure and section bar thereof like CN201010146534, its body framing comprises all around skeleton, roof skeleton and chassis truss, and connection mode adopts riveted joint.But dual mode before the welding under the identical situation of body frame structure, has the lower advantage of complete vehicle weight that makes.
Summary of the invention
The object of the invention just provides a kind of lightweight total-bearing formula passenger car body skeleton structure, and this body framing adopts aluminum alloy materials, through being welded to connect; Than the steel passenger vehicle, when having guaranteed car load intensity, reduced car body weight; Load-carrying capacity is improved, and the passenger vehicle energy consumption is minimized, and; Because aluminium is difficult for by corrosion, so, also obtain the service life of this body framing prolonging.
Concrete technical scheme of the present invention is following:
A kind of lightweight total-bearing formula passenger car body skeleton structure; Comprise roof skeleton, front wall frame, rear wall frame, side wall frame and underframe; It is characterized in that; Said roof skeleton, front wall frame, rear wall frame, side wall frame and underframe all adopt aluminum alloy materials to process, and through being welded to connect, form the full-bearing type body frame structure to surround.
Said front wall frame is connected with roof skeleton with said side wall frame through welding respectively with rear wall frame; Said roof skeleton is connected with said side wall frame through welding respectively with underframe; Said side wall frame comprises that skeleton is enclosed in the left side and skeleton is enclosed on the right side.
Said side wall frame comprises side wall pillar and gusset longeron; Said side wall pillar comprises side window pillar, side hatch door column, short waist pillar, preceding edge column, back edge column, top margin column; Said gusset longeron comprises side bar under side bar under gusset top side rail, side window roof rail, the side window, side hatch door roof rail, the side hatch door; Side bar is corresponding successively under side bar, side hatch door roof rail, the side hatch door under said gusset top side rail, side window roof rail, the side window is welded to connect by top margin column, side window pillar, short waist pillar, side hatch door column; Said side wall frame is welded to connect with said front wall frame and rear wall frame through edge column before said and back edge column are corresponding respectively; Be welded to connect through said gusset top side rail and said roof skeleton, be welded to connect through side bar and said underframe under the said side hatch door.
Said side wall frame also comprises wheel cap connecting panel and wheel cap column, and side bar, short waist pillar and wheel cap column are welded to connect under said wheel cap connecting panel and the said side window, and said wheel cap column and said side hatch door column are welded to connect.
Said underframe is divided into leading portion, stage casing and back segment, comprises body transom, underframe longeron, mount for power system and wheel cap; Said underframe longeron comprises underframe preceding stage casing longeron and underframe back segment longeron, and said wheel cap comprises front wheel hub cover and rear-wheel hub cover; Said underframe leading portion and stage casing are made up of body transom, underframe preceding stage casing longeron and wheel cap welding; Said underframe back segment is made up of underframe back segment longeron, rear-wheel hub cover and mount for power system welding, and said mount for power system is arranged on the said underframe back segment longeron back segment through welding; Said underframe back segment is welded to connect through underframe back segment longeron and the preceding stage casing of underframe longeron, and is connected with the stage casing with the underframe leading portion; Said wheel cap and underframe back segment longeron are aluminum alloy plate materials; Said underframe is welded to connect through said body transom, mount for power system and wheel cap and said side wall frame.
Said roof skeleton comprises roof rai, roof panel cross member and top cover longitudinal edge beam; Said roof rai and roof panel cross member are through welding handing-over mutually, and to form roof skeleton inner side frame posture structure, said top cover longitudinal edge beam is in the roof skeleton outside, are welded to connect with vertical edge of said tower structure body, to form the roof skeleton structure; Said roof skeleton is welded to connect through said top cover longitudinal edge beam and said side wall frame, is welded to connect through said roof panel cross member and said front wall frame and rear wall frame.
Said roof skeleton also comprises top cover V-arrangement longeron; Its cross section profile is V-shaped; The elongated end on a limit of said " V " shape is provided with the flange vertical with said roof panel cross member; The bearing of trend on another limit is provided with another V-shaped extension, and the elongated end of said V-shaped extension is provided with the flange tangent with said roof panel cross member; Said top cover V-arrangement longeron and said roof rai connect through being weldingly connected, to form the V-shaped groove structure of car body top seal.
Said aluminum alloy is 6005,6061,5052 or 5083 type aluminum alloys.
Than the steel passenger vehicle, the invention has the beneficial effects as follows: because of adopting the full carrying structure of full aluminium, this car body weight reduces, and load-carrying capacity is improved, and energy consumption is minimized, and also is able to the service life of body framing prolong.
Description of drawings
Fig. 1 is a passenger car body skeleton structure diagram of the present invention;
Fig. 2 encloses skeleton structure diagram for passenger car body of the present invention left side;
Fig. 3 encloses skeleton structure diagram for passenger car body of the present invention right side;
Fig. 4 is a passenger car body roof skeleton constructional drawing of the present invention;
Fig. 5 is the section drawing of A place section bar parts among Fig. 4;
Fig. 6 is passenger car body Undercarriage structure figure of the present invention;
Fig. 7 is a passenger car body front wall frame constructional drawing of the present invention;
Fig. 8 is a passenger car body rear wall frame constructional drawing of the present invention.
In the accompanying drawing, the list of parts of each label representative is following:
Roof skeleton 1; Front wall frame 2; Rear wall frame 3; Skeleton 4 is enclosed in the left side; Skeleton 5 is enclosed on the right side; Underframe 6; Left side window pillar 411; Left side hatch door column 412; The short waist pillar 413 in left side; Edge column 414 before the left side; Back, left side edge column 415; Left side top margin column 416; Top side rail 417 is enclosed in the left side; Left side window roof rail 418; Side bar 419 under the window of left side; Left side hatch door roof rail 420; Side bar 421 under the hatch door of left side; Left side wheel cap connecting panel 422; Left side wheel cap column 423; Right side window pillar 511; Right side hatch door column 512; The short waist pillar 513 in right side; Edge column 514 before the right side; Edge column 515 behind the right side; Right side top margin column 516; Top side rail 517 is enclosed on the right side; Right side window roof rail 518; Side bar 519 under the window of right side; Right side hatch door roof rail 520; Side bar 521 under the hatch door of right side; Right side wheel cap connecting panel 522; Right side wheel cap column 523; Roof rai 11; Roof panel cross member 12; Top cover longitudinal edge beam 13; Top cover V-arrangement longeron 14; Body transom 61; Underframe longeron 62; Mount for power system 63; Wheel cap 64; Underframe connects crossbeam 611; Underframe connects crossbeam 612; The preceding stage casing of underframe longeron 621; Two foundation frame back segment longerons 622; Front wheel hub cover 641; Two rear-wheel hub covers 642; Front wall pillar 21; Before enclose crossbeam 22; Before enclose right head tree 211; Before enclose head piece 221; Before enclose left head tree 212; Before enclose center member 222; Back wall pillar 31; Back wall crossbeam 32; Back wall left side head tree 311; Back wall head piece 321; The right head tree 312 of back wall.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is done further detailed description.
As shown in Figure 1, lightweight total-bearing formula passenger car body skeleton structure provided by the present invention comprises that skeleton 4 is enclosed in roof skeleton 1, front wall frame 2, rear wall frame 3, left side, skeleton 5 and underframe 6 are enclosed in the right side; Wherein, front wall frame 2 encloses skeleton 4 through welding with the left side respectively with rear wall frame 3, the right side is enclosed skeleton 5 and is connected with roof skeleton 1; Roof skeleton 1 and underframe 6 enclose skeleton 4 through welding and left side respectively and enclose skeleton 5 with the right side and be connected.Body framing shown in Figure 1 adopts 6005,6061,5052 or 5083 aluminum alloy materials to process, and the whole welding manner that adopts connects.
As shown in Figure 2; Skeleton structure is enclosed in passenger car body of the present invention left side, comprises that edge column 415 behind edge column 414 before left side window pillar 411, left side hatch door column 412, the short waist pillar 413 in left side, the left side, the left side, left side top margin column 416, left side enclose under top side rail 417, left side window roof rail 418, the left side window side bar 421, left side wheel cap connecting panel 422 and left side wheel cap column 423 under side bar 419, left side hatch door roof rail 420, the left side hatch door.
Wherein, the left side encloses under top side rail 417, left side window roof rail 418, the left side window that side bar 421 is corresponding successively under side bar 419, left side hatch door roof rail 420, the left side hatch door is welded to connect by left side top margin column 416, left side window pillar 411, the short waist pillar 413 in left side, left side hatch door column 412; Side bar 419, the short waist pillar 413 in left side and left side wheel cap column 423 are welded to connect under left side wheel cap connecting panel 422 and the left side window, and left side wheel cap column 423 is welded to connect with left side hatch door column 412; In the position that need are installed left side wheel cap connecting panel 422 and connected left side wheel cap column 423, need not weld side bar 421 under left side hatch door roof rail 420 and the left side hatch door.
The left side is enclosed skeleton 4 and is welded to connect with front wall frame 2 and rear wall frame 3 through edge column 415 is corresponding respectively behind edge column before the left side 414 and the left side; Enclose top side rail 417 through the left side and be welded to connect, be welded to connect through side bar under the hatch door of left side 421 and underframe 6 with roof skeleton 1.
To enclose skeleton structure similar with Fig. 2 left side; As shown in Figure 3; Skeleton structure is enclosed on passenger car body of the present invention right side, comprises that edge column 515 behind edge column 514 before the short waist pillar 513 of right side window pillar 511, right side hatch door column 512, right side, the right side, the right side, right side top margin column 516, right side enclose under top side rail 517, right side window roof rail 518, the right side window side bar 521, right side wheel cap connecting panel 522 and right side wheel cap column 523 under side bar 519, right side hatch door roof rail 520, the right side hatch door.
Wherein, the right side encloses under top side rail 517, right side window roof rail 518, the right side window that side bar 521 is corresponding successively under side bar 519, right side hatch door roof rail 520, the right side hatch door is welded to connect by right side top margin column 516, right side window pillar 511, the short waist pillar 513 in right side, right side hatch door column 512; Side bar 519, the short waist pillar 513 in right side and right side wheel cap column 523 are welded to connect under right side wheel cap connecting panel 522 and the right side window, and right side wheel cap column 523 is welded to connect with right side hatch door column 512;
Enclosing the skeleton structure difference with Fig. 2 left side is; Enclose on the right side needs to reserve the car door position in the skeleton 5; In the position of needs reservation car door, need not weld side bar 521 under side bar 519 under right side window roof rail 518, the right side window, right side hatch door roof rail 520 and the right side hatch door.
The right side is enclosed skeleton 5 and is welded to connect with front wall frame 2 and rear wall frame 3 through edge column 515 is corresponding respectively behind edge column before the right side 514 and the right side; Enclose top side rail 517 through the right side and be welded to connect, be welded to connect through side bar under the hatch door of right side 521 and underframe 6 with roof skeleton 1.
As shown in Figure 4, passenger car body roof skeleton structure of the present invention comprises roof rai 11, roof panel cross member 12, top cover longitudinal edge beam 13 and top cover V-arrangement longeron 14.
Wherein, roof rai 11 joins through vertical welding with roof panel cross member 12, to form roof skeleton inner side frame posture structure; Top cover longitudinal edge beam 13 has two, is in the roof skeleton outside, is welded to connect with the vertical edge of said inner side frame posture structure respectively, and with formation roof skeleton complete structure, and it vertically runs through the car body roof skeleton.
Roof skeleton 1 encloses skeleton 4 through top cover longitudinal edge beam 13 and left side and encloses skeleton 5 with the right side and be welded to connect, and is welded to connect through said roof panel cross member 12 and front wall frame 2 and rear wall frame 3.
Fig. 5 is the section drawing of A place section bar parts among Fig. 4; As shown in Figure 5; The cross section profile of top cover V-arrangement longeron 14 is V-shaped; The elongated end on a limit of said " V " shape is provided with the flange vertical with roof panel cross member 12, and the bearing of trend on another limit is provided with another V-shaped extension, and the elongated end of said V-shaped extension is provided with the flange tangent with roof panel cross member 12; Top cover V-arrangement longeron 14 has two, is in the car body, is welded to connect with roof rai 11, vertically runs through the car body roof skeleton, to form the V-shaped groove structure of car body top seal.
As shown in Figure 6, passenger car body Undercarriage structure of the present invention is divided into leading portion, stage casing and back segment, mainly comprises body transom 61, underframe longeron 62, mount for power system 63 and wheel cap 64, and through being welded to connect, to constitute this Undercarriage structure.Said body transom 61 comprises that mainly some underframe connect crossbeam 611 and are connected crossbeam 612 with underframe; Said underframe connects crossbeam 611 lateral direction penetratings in the car body underframe; Its two ends and left side are enclosed skeleton 4 and are enclosed skeleton 5 with the right side and be welded to connect; Underframe longeron 62 mainly comprises the preceding stage casing of two foundation framves longeron 621 and two foundation frame back segment longerons 622, and wheel cap 64 comprises two front wheel hub covers 641 and two rear-wheel hub covers 642.
The leading portion of underframe 6 mainly is connected crossbeam 612, the preceding stage casing of two foundation framves longeron 621, two foundation frame back segment longerons 622 and two front wheel hub covers 641 welding by some underframe perforation crossbeams 611, some underframe with the stage casing and constitutes, and is specially: the preceding stage casing of two foundation framves longeron 621 parallel underframe leading portion and the stage casings of running through; Underframe connects crossbeam 611 and the preceding stage casing of said two foundation framves longeron 621 vertical being welded to connect; Underframe connects crossbeam 612 and is connected between the preceding stage casing of two foundation framves in underframe stage casing longeron 621; Front wheel hub cover 641 is positioned at the underframe leading portion, connects crossbeam 611 with adjacent two foundation framves and is welded to connect with the preceding stage casing of underframe longeron 621.
The back segment of underframe 6 mainly is made up of two foundation frame back segment longerons 622, two rear-wheel hub covers 642 and mount for power system 63 welding; Be specially: two foundation frame back segment longerons 622 are welded to connect with the preceding stage casing of above-mentioned two foundation framves longeron 621; Mount for power system 63 welding are located on two foundation frame back segment longerons, 622 back segments, and rear-wheel hub cover 642 connects crossbeam 611, underframe back segment longeron 622 and mount for power system 63 with above-mentioned underframe and is welded to connect.
Underframe 6 connects crossbeam 611, mount for power system 63 and wheel cap 64 and left side through underframe and encloses skeleton 4 and right side and enclose skeleton 5 and be welded to connect.
Said wheel cap 64 is an aluminum alloy plate materials with underframe back segment longeron 622.
As shown in Figure 7, passenger car body front wall frame structure of the present invention mainly comprises front wall pillar 21 and before encloses crossbeam 22, said front wall pillar 21 with before enclose crossbeam 22 through being welded to connect, to constitute this front wall frame structure.
Be specially: preceding enclose left head tree 211, preceding enclose head piece 221 and before enclose right head tree 212 and be welded to connect successively; To constitute the front wall frame main frame structure; Front wall frame 2 is through preceding enclosing left head tree 211, precedingly enclosing right head tree 212 and correspond respectively to the left side and enclose skeleton 4 and right side and enclose skeleton 5 and be welded to connect; Be welded to connect with roof skeleton 1 through preceding enclosing head piece 221; Other front wall pillars 21 with before enclose crossbeam 22 with before enclose left head tree 211, preceding enclose head piece 221 and before enclose right head tree 212 not at grade, directly or indirectly with before enclose left head tree 211, preceding enclose head piece 221 and before enclose right head tree 212 and be welded to connect, to constitute the front wall frame structure.
As shown in Figure 8, passenger car body rear wall frame structure of the present invention mainly comprises back wall pillar 31 and back wall crossbeam 32, and said back wall pillar 31 and back wall crossbeam 32 are through being welded to connect, to constitute this rear wall frame structure.
Be specially: back wall left side head tree 311, back wall head piece 321 and the right head tree 312 of back wall are welded to connect successively; Back wall center member 322 is connected between back wall left side head tree 311 and the right head tree 312 of back wall; To constitute the rear wall frame main frame structure; Rear wall frame 3 encloses skeleton 4 with the left side and encloses skeleton 5 with the right side and be welded to connect through the right head tree 312 of back wall left side head tree 311 and back wall is corresponding respectively; Be welded to connect through back wall head piece 321 and roof skeleton 1; Other back wall pillars 31 and back wall crossbeam 32 and back wall left side head tree 311, back wall head piece 321, the right head tree 312 of back wall and back wall center member 322 directly or indirectly are welded to connect with back wall left side head tree 311, back wall head piece 321, the right head tree 312 of back wall and back wall center member 322, with formation rear wall frame structure not at grade.
The safety of this lightweight total-bearing formula passenger car body skeleton structure proves as follows:
Table 1 is the once actual rollover test results data of this passenger car body skeleton; The concrete lateral variation amount of measuring the side wall pillar upper part position after turning on one's side; Totally 7 on institute's survey column; Enclose the skeleton front portion from the car body right side and be respectively Qianmen rear column, right side to the rear portion and enclose the 3rd column, right side and enclose the 4th column, right side and enclose the 5th column, right side and enclose that the 6th column, right side enclose the 7th column, the 8th column is enclosed on the right side, sensor position Z is the height with respect to plane on the car body underframe.Concrete data are as shown in the table:
Table 2 is the theory rollover test results data of this passenger car body skeleton through cae analysis, and concrete data are as shown in the table:
Can see that from above-mentioned two tables the theory of the part position above the side wall pillar after the rollover and actual crossbeam variable quantity wherein, can find out that by data in the table △ L and △ L ' value all meet GB/T 17578-1998.Can prove that thus this bus body structure can satisfy the living space of passenger zone when rollover takes place passenger vehicle, guarantee passenger safety.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. lightweight total-bearing formula passenger car body skeleton structure; Comprise roof skeleton, front wall frame, rear wall frame, side wall frame and underframe; It is characterized in that; Said roof skeleton, front wall frame, rear wall frame, side wall frame and underframe all adopt aluminum alloy materials to process, and through being welded to connect, form the full-bearing type body frame structure to surround.
2. lightweight total-bearing formula passenger car body skeleton structure as claimed in claim 1 is characterized in that, said front wall frame is connected with roof skeleton with said side wall frame through welding respectively with rear wall frame; Said roof skeleton is connected with said side wall frame through welding respectively with underframe; Said side wall frame comprises that skeleton is enclosed in the left side and skeleton is enclosed on the right side.
3. lightweight total-bearing formula passenger car body skeleton structure as claimed in claim 1 is characterized in that said side wall frame comprises side wall pillar and gusset longeron; Said side wall pillar comprises side window pillar, side hatch door column, short waist pillar, preceding edge column, back edge column, top margin column; Said gusset longeron comprises side bar under side bar under gusset top side rail, side window roof rail, the side window, side hatch door roof rail, the side hatch door; Side bar is corresponding successively under side bar, side hatch door roof rail, the side hatch door under said gusset top side rail, side window roof rail, the side window is welded to connect by top margin column, side window pillar, short waist pillar, side hatch door column; Said side wall frame is welded to connect with said front wall frame and rear wall frame through edge column before said and back edge column are corresponding respectively; Be welded to connect through said gusset top side rail and said roof skeleton, be welded to connect through side bar and said underframe under the said side hatch door.
4. lightweight total-bearing formula passenger car body skeleton structure as claimed in claim 3; It is characterized in that; Said side wall frame also comprises wheel cap connecting panel and wheel cap column; Side bar, short waist pillar and wheel cap column are welded to connect under said wheel cap connecting panel and the said side window, and said wheel cap column and said side hatch door column are welded to connect.
5. lightweight total-bearing formula passenger car body skeleton structure as claimed in claim 1 is characterized in that said underframe is divided into leading portion, stage casing and back segment, comprises body transom, underframe longeron, mount for power system and wheel cap; Said underframe longeron comprises underframe preceding stage casing longeron and underframe back segment longeron, and said wheel cap comprises front wheel hub cover and rear-wheel hub cover; Said underframe leading portion and stage casing are made up of body transom, underframe preceding stage casing longeron and wheel cap welding; Said underframe back segment is made up of underframe back segment longeron, rear-wheel hub cover and mount for power system welding, and said mount for power system is arranged on the said underframe back segment longeron back segment through welding; Said underframe back segment is welded to connect through underframe back segment longeron and the preceding stage casing of underframe longeron, and is connected with the stage casing with the underframe leading portion; Said wheel cap and underframe back segment longeron are aluminum alloy plate materials; Said underframe is welded to connect through said body transom, mount for power system and wheel cap and said side wall frame.
6. lightweight total-bearing formula passenger car body skeleton structure as claimed in claim 1 is characterized in that said roof skeleton comprises roof rai, roof panel cross member and top cover longitudinal edge beam; Said roof rai and roof panel cross member are through welding handing-over mutually, and to form roof skeleton inner side frame posture structure, said top cover longitudinal edge beam is in the roof skeleton outside, are welded to connect with vertical edge of said tower structure body, to form the roof skeleton structure; Said roof skeleton is welded to connect through said top cover longitudinal edge beam and said side wall frame, is welded to connect through said roof panel cross member and said front wall frame and rear wall frame.
7. lightweight total-bearing formula passenger car body skeleton structure as claimed in claim 6; It is characterized in that; Said roof skeleton also comprises top cover V-arrangement longeron, and its cross section profile is V-shaped, and the elongated end on a limit of said " V " shape is provided with the flange vertical with said roof panel cross member; The bearing of trend on another limit is provided with another V-shaped extension, and the elongated end of said V-shaped extension is provided with the flange tangent with said roof panel cross member; Said top cover V-arrangement longeron and said roof rai connect through being weldingly connected, to form the V-shaped groove structure of car body top seal.
8. like each described lightweight total-bearing formula passenger car body skeleton structure in the claim 1 to 7, it is characterized in that said aluminum alloy is 6005,6061,5052 or 5083 type aluminum alloys.
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| CN2012102827043A CN102815338A (en) | 2012-08-09 | 2012-08-09 | Frame structure for car body of light-weight full-loading type passenger car |
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| CN103640631A (en) * | 2013-12-19 | 2014-03-19 | 珠海广通汽车有限公司 | Base frame of total load bearing type electric public bus and electric public bus provided with base frame |
| CN103640631B (en) * | 2013-12-19 | 2016-01-27 | 珠海广通汽车有限公司 | The underframe of full-bearing type e-bus and there is its e-bus |
| CN103693104A (en) * | 2014-01-18 | 2014-04-02 | 东莞中山大学研究院 | Modularly connected light-weight frame main body |
| CN105381851A (en) * | 2015-12-04 | 2016-03-09 | 徐妍玲 | First supporting frame for rack of powder coating pulverizer |
| CN105857405A (en) * | 2016-04-09 | 2016-08-17 | 安徽安凯汽车股份有限公司 | Hybrid power bus tail end structure |
| WO2018076662A1 (en) * | 2016-10-27 | 2018-05-03 | 深圳市招科智控科技有限公司 | Vehicle body framework assembly for use in driverless vehicle |
| CN107140039A (en) * | 2017-05-26 | 2017-09-08 | 吉林大学 | The low windage Bus Frame structure and its design method of a kind of imitative Caribbean monk seal |
| CN107738693A (en) * | 2017-11-14 | 2018-02-27 | 辽宁忠旺特种车辆制造有限公司 | A kind of front wall assembly of body structure |
| CN109822198A (en) * | 2019-03-27 | 2019-05-31 | 辽宁忠旺铝合金精深加工有限公司 | A kind of welding procedure of the full aluminium car of lightweight new energy |
| CN110217293A (en) * | 2019-05-13 | 2019-09-10 | 中铝材料应用研究院有限公司 | A kind of novel aluminum alloy body framework structure of coach |
| CN113353152A (en) * | 2020-03-04 | 2021-09-07 | 郑州宇通客车股份有限公司 | Bearing type top cover framework, top cover and vehicle using top cover |
| CN113353152B (en) * | 2020-03-04 | 2023-04-07 | 宇通客车股份有限公司 | Bearing type top cover framework, top cover and vehicle using top cover |
| CN112793669A (en) * | 2021-03-31 | 2021-05-14 | 东风汽车集团股份有限公司 | Truss type electric vehicle body structure |
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Application publication date: 20121212 |