CN103192883B - A kind of Birdcage type vehicle body skeleton structure - Google Patents
A kind of Birdcage type vehicle body skeleton structure Download PDFInfo
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- CN103192883B CN103192883B CN201310033566.XA CN201310033566A CN103192883B CN 103192883 B CN103192883 B CN 103192883B CN 201310033566 A CN201310033566 A CN 201310033566A CN 103192883 B CN103192883 B CN 103192883B
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Abstract
A kind of Birdcage type vehicle body skeleton structure, comprise front wall assembly, back wall assembly and top cover assembly, the two ends of described top cover assembly are connected with the upper end of front wall assembly, back wall assembly, the lower end of front wall assembly, back wall assembly is connected with chassis assembly, the sidepiece of chassis assembly is connected with top cover assembly by side wall assembly, top cover assembly comprises the many top cross-bar be parallel to each other, described side wall assembly comprises the many gusset vertical beams be parallel to each other, the two ends of described top cross-bar are connected with the top of gusset vertical beam, and top cross-bar, gusset vertical beam are structure as a whole; Side wall assembly and back wall assembly are provided with many pre-buried beams, the corresponding strength beam being provided with through vehicle body periphery on pre-buried beam.The design not only connects more firmly, strong shock resistance, and when being subject to clashing into, can disperses impact forces, reduces vehicle body deformation degree, for passenger provides more living space.
Description
Technical field
The present invention relates to a kind of automobile skeleton structure, particularly relate to a kind of Birdcage type vehicle body skeleton structure, be specifically applicable to the fastness and the impact resistance that strengthen body framwork.
Background technology
According to domestic the strictest existing school bus regulation, also only require that the back timber on same cross-sectional plane, column and floor crossmember should form enclosed ring, body upright post from longeron side window to floor crossmember should adopt integral structure, and centre must not be connected by welding.The vehicle body of this enclosed ring form, because its top cover and side wall structure still do not form an entirety, vehicle body longitudinally connection is also welded for sectional type longeron and crossbeam (column), roof may be caused in the traffic accident to be come off by whole shearing, or body distortion invades the situation of living space.
Chinese patent Authorization Notice No. is CN201432723Y, and authorized announcement date is that the utility model patent on March 31st, 2010 discloses compound all-loading coach body, includes front wall assembly, two side wall assemblies, back wall assembly, top cover assembly and chassis assembly.Trunk in its each plane of structure assembly is corresponding fixing assembling mutually, constitutes full-closed structure ring, is connected and fixed between each closed-loop by integral feed-through type longeron and diagonal ligament beam, defines carload and can transmit the framed structure of Sum decomposition by actv..Although this utility model can make the overall uniform force of vehicle body, it still has following defect:
1, the car body top cover assembly of this utility model is connected with side wall assembly by welding manner, and connect firm not, safety is lower.
2, the side wall frame of this utility model adopts triangular support beam, although can reach the stressed effect of even support, the impact resistance of this design is more weak, and safety is lower.
Summary of the invention
The object of the invention is to overcome the top cover assembly existed in prior art and be connected problem that is insecure, body framwork impact resistance difference with side wall assembly, provide that a kind of top cover assembly and side wall assembly are connected firmly, the Birdcage type vehicle body skeleton structure of body framwork strong shock resistance.
For realizing above object, technical solution of the present invention is:
A kind of Birdcage type vehicle body skeleton structure, comprise front wall assembly, back wall assembly and top cover assembly, the two ends of described top cover assembly are connected with the upper end of front wall assembly, back wall assembly, the lower end of front wall assembly, back wall assembly is connected with chassis assembly, and the sidepiece of chassis assembly is connected with top cover assembly by side wall assembly;
Described top cover assembly comprises the many top cross-bar be parallel to each other, and described side wall assembly comprises the many gusset vertical beams be parallel to each other; The two ends of described top cross-bar are connected with the top of gusset vertical beam, and the bottom of gusset vertical beam is fixedly connected with shirt rim assembly, and top cross-bar, gusset vertical beam are structure as a whole.
Described vehicle body framework construction also comprises multiple rectangular side window frame, and each rectangular side window frame is between two adjacent gusset vertical beams;
Described rectangular side window frame comprises interconnective window frame back timber, window sill, the left beam of window frame, the right beam of window frame, the bottom of described window sill is provided with longeron under the side window paralleled with it, the below of longeron pre-buried longeron under being provided with the window paralleled with it under side window, and under side window under longeron, window the two ends of pre-buried longeron be all fixedly connected with gusset vertical beam.
Described shirt rim assembly comprises the many shirt rim vertical beams be parallel to each other, and the top of described shirt rim vertical beam is fixedly connected with by the bottom of longitudinal floor beam with gusset vertical beam, and the bottom of adjacent shirt rim vertical beam is fixedly connected with shirt rim longitudinal beam connected;
The top of described longitudinal floor beam is provided with the two pre-buried longerons in middle part paralleled with it, and the top of described shirt rim longitudinal beam connected is provided with the pre-buried longeron in the shirt rim paralleled with it.
Described gusset vertical beam, shirt rim vertical beam are structure as a whole.
Described back wall assembly comprises back wall top cross-bar and back wall base cross members, the two ends of described back wall top cross-bar are fixedly connected with the two ends of back wall base cross members by two back wall vertical beams, the middle part of back wall base cross members is fixedly connected with the middle part of back wall top cross-bar by two back wall doorframe vertical beams, is tail gate between described two back wall doorframe vertical beams;
Pre-buried beam under pre-buried beam and two back walls is fixedly connected with on back wall in pre-buried beam, back wall between the back wall vertical beam that described back wall doorframe vertical beam and homonymy thereof are arranged; On described back wall, under pre-buried beam and side window, longeron equal altitudes is arranged, and in back wall, under pre-buried beam and window, pre-buried longeron equal altitudes is arranged, and under two back walls, pre-buried beam and two pre-buried longeron equal altitudes in middle part are arranged.
Described side wall assembly is arranged fenestrate lower reinforcement longeron and middle part reinforcement longeron, the upside strengthening longeron under described window is fixedly connected with longeron under side window, the downside strengthening longeron under window is fixedly connected with longeron pre-buried under window, and the upper side and lower side that longeron is strengthened at described middle part is fixedly connected with two pre-buried longerons in middle part respectively;
Described shirt rim assembly is provided with shirt rim and strengthens longeron, the upside that longeron is strengthened in described shirt rim is fixedly connected with the pre-buried longeron in shirt rim, and the downside that longeron is strengthened in shirt rim is fixedly connected with shirt rim longitudinal beam connected;
Described back wall assembly is provided with on back wall and strengthens strengthening longeron under longeron and back wall, the upside described back wall being strengthened longeron is fixedly connected with beam pre-buried on back wall, downside back wall being strengthened longeron is fixedly connected with beam pre-buried in back wall, and the upper side and lower side strengthening longeron under described back wall is fixedly connected with pre-buried beam under two back walls respectively.
Compared with prior art, beneficial effect of the present invention is:
1, top cross-bar, gusset vertical beam and shirt rim vertical beam in a kind of Birdcage type vehicle body skeleton structure of the present invention are structure as a whole, such design optimization structure of body framwork, make top cover assembly, connection between side wall assembly and shirt rim assembly more firm, and top cross-bar, gusset vertical beam and floor crossmember are formed as enclosed ring, enhance the impact resistance of body framwork, improve safety performance.Therefore, the design's sound construction, strong shock resistance.
2, the side wall assembly in a kind of Birdcage type vehicle body skeleton structure of the present invention arranges fenestrate lower pre-buried longeron, the pre-buried longeron in middle part, shirt rim assembly is provided with the pre-buried longeron in shirt rim, such design reinforcement body structure, improve the impact resistance of body side wall, when having an accident, ensure the living space of interior.Therefore, the design's side wall structure is firm, and safety is good.
3, in a kind of Birdcage type vehicle body skeleton structure of the present invention, back wall to be provided with on back wall in pre-buried beam, back wall pre-buried beam under pre-buried beam and back wall, to strengthen body rear wall skeleton, when knocking into the back, improve the safety performance of vehicle body.Therefore, the design's rear wall frame is firm, and safety is good.
4, in a kind of Birdcage type vehicle body skeleton structure of the present invention, the periphery of each pre-buried beam is provided with strength beam, when there is collision accident, the bending structure of strength beam self can resist certain impact, and strength beam is arranged along the gusset in whole compartment and back wall, its overall through structure can be disperseed stressed, deformation degree after reduction body framwork is hit, further ensures the safety of passenger in compartment.Therefore, the design's strong shock resistance, deformation degree is little, and safety is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be in Fig. 1 side wall assembly structural representation.
Fig. 3 is the structural representation of top cross-bar in Fig. 1.
Fig. 4 is the structural representation of back wall assembly in Fig. 1.
Fig. 5 is the structural representation of the embodiment of the present invention 2.
Fig. 6 is the structural representation that in Fig. 5, longeron is strengthened in shirt rim.
Fig. 7 is the structural representation in Fig. 5, back wall being strengthened longeron.
Fig. 8 is the connection diagram strengthening longeron under longeron and side window in Fig. 5 under window.
Fig. 9 is the connection diagram that in Fig. 5, longeron and the pre-buried longeron in middle part are strengthened in middle part.
In figure: front wall assembly A, back wall assembly B, top cover assembly C, side wall assembly D, chassis assembly E, shirt rim assembly F, back wall vertical beam 21, back wall top cross-bar 22, back wall base cross members 23, back wall doorframe vertical beam 24, tail gate 25, longitudinal floor beam 31, shirt rim longitudinal beam connected 32, rectangular side window frame 4, window frame back timber 41, window sill 42, window sill 42, the left beam 43 of window frame, longeron 45 under side window, top cross-bar 51, gusset vertical beam 52, shirt rim vertical beam 53, pre-buried longeron 61 under window, the pre-buried longeron 62 in middle part, the pre-buried longeron 63 in shirt rim, pre-buried beam 64 on back wall, pre-buried beam 65 in back wall, pre-buried beam 66 under back wall, longeron 71 is strengthened under window, longeron 72 is strengthened at middle part, longeron 73 is strengthened in shirt rim, back wall is strengthened longeron 74, longeron 75 is strengthened under back wall.
Detailed description of the invention
Illustrate that the present invention is further detailed explanation with detailed description of the invention below in conjunction with accompanying drawing.
See figure 1 – Fig. 9, a kind of Birdcage type vehicle body skeleton structure, comprise front wall assembly A, back wall assembly B and top cover assembly C, the two ends of described top cover assembly C are connected with the upper end of front wall assembly A, back wall assembly B, the lower end of front wall assembly A, back wall assembly B is connected with chassis assembly E, and the sidepiece of chassis assembly E is connected with top cover assembly C by side wall assembly D;
Described top cover assembly C comprises the many top cross-bar be parallel to each other 51, and described side wall assembly D comprises the many gusset vertical beams 52 be parallel to each other; The two ends of described top cross-bar 51 are connected with the top of gusset vertical beam 52, and the bottom of gusset vertical beam 52 is fixedly connected with shirt rim assembly F, and top cross-bar 51, gusset vertical beam 52 are structure as a whole.
Described vehicle body framework construction also comprises multiple rectangular side window frame 4, and each rectangular side window frame 4 is between two adjacent gusset vertical beams 52;
Described rectangular side window frame 4 comprises interconnective window frame back timber 41, window sill 42, the left beam of window frame 43, the right beam 44 of window frame, the bottom of described window sill 42 is provided with longeron 45 under the side window paralleled with it, the below of longeron 43 pre-buried longeron 61 under being provided with the window paralleled with it under side window, and under side window under longeron 45, window the two ends of pre-buried longeron 61 be all fixedly connected with gusset vertical beam 52.
Described shirt rim assembly F comprises the many shirt rim vertical beams 53 be parallel to each other, and the top of described shirt rim vertical beam 53 is fixedly connected with by the bottom of longitudinal floor beam 31 with gusset vertical beam 52, and the bottom of adjacent shirt rim vertical beam 53 is fixedly connected with shirt rim longitudinal beam connected 32;
The top of described longitudinal floor beam 31 is provided with the pre-buried longeron 62 in two middle parts paralleled with it, and the top of described shirt rim longitudinal beam connected 32 is provided with the pre-buried longeron 63 in the shirt rim paralleled with it.
Described gusset vertical beam 52, shirt rim vertical beam 53 are structure as a whole.
Described back wall assembly B comprises back wall top cross-bar 22 and back wall base cross members 23, the two ends of described back wall top cross-bar 22 are fixedly connected with the two ends of back wall base cross members 23 by two back wall vertical beams 21, the middle part of back wall base cross members 23 is fixedly connected with the middle part of back wall top cross-bar 22 by two back wall doorframe vertical beams 24, is tail gate 25 between described two back wall doorframe vertical beams 24;
Pre-buried beam 66 under pre-buried beam 65 and two back walls is fixedly connected with on back wall in pre-buried beam 64, back wall between the back wall vertical beam 21 that described back wall doorframe vertical beam 24 and homonymy thereof are arranged; On described back wall, pre-buried beam 64 is arranged with longeron 45 equal altitudes under side window, and in back wall, pre-buried beam 65 is arranged with pre-buried longeron 61 equal altitudes under window, and under two back walls, pre-buried beam 66 and two middle part pre-buried longeron 62 equal altitudes are arranged.
Described side wall assembly D is arranged fenestrate lower reinforcement longeron 71 and middle part reinforcement longeron 72, the upside strengthening longeron 71 under described window is fixedly connected with longeron under side window 45, the downside strengthening longeron 71 under window is fixedly connected with longeron 61 pre-buried under window, and the upper side and lower side that longeron 72 is strengthened at described middle part is fixedly connected with two pre-buried longerons 62 in middle part respectively;
Described shirt rim assembly F is provided with shirt rim and strengthens longeron 73, the upside that longeron 73 is strengthened in described shirt rim is fixedly connected with the pre-buried longeron 63 in shirt rim, and the downside that longeron 73 is strengthened in shirt rim is fixedly connected with shirt rim longitudinal beam connected 32;
Described back wall assembly B is provided with on back wall and strengthens strengthening longeron 75 under longeron 74 and back wall, the upside described back wall being strengthened longeron 74 is fixedly connected with beam 64 pre-buried on back wall, downside back wall being strengthened longeron 74 is fixedly connected with beam 65 pre-buried in back wall, and the upper side and lower side strengthening longeron 75 under described back wall is fixedly connected with pre-buried beam 66 under two back walls respectively.
Principle of the present invention is described as follows:
The two ends of described top cross-bar 51 are connected by the two ends of gusset vertical beam 52 with the floor crossmember on chassis assembly E, top cross-bar 51, gusset vertical beam 52 and floor crossmember are formed as enclosed ring, and top cross-bar 51, gusset vertical beam 52 are structure as a whole, instead of adopt welding manner to connect, such design not only strengthens top assembly C and the fastness be connected between side wall assembly D, and enhance the impact resistance of gusset vertical beam 52, improve the safety performance of body framwork.
Pre-buried beam comprises: pre-buried beam 66 under pre-buried beam 65, back wall in pre-buried beam 64, back wall on pre-buried longeron 61, the pre-buried longeron in middle part 62, the pre-buried longeron in shirt rim 63, back wall under window;
Strength beam comprises: strengthen longeron 75 under strengthening under window that longeron 71, middle part reinforcement longeron 72, shirt rim reinforcement longeron 73, back wall strengthen longeron 74, back wall.
See figure 8 – Fig. 9, the upper side and lower side of strength beam is fixed position, adopts shock proof bending structure in the middle part of it, improves its impact resistance to greatest extent; And strengthen longeron 71 under window, middle part strengthens longeron 72 and shirt rim and strengthens longeron 73 and adopt integral feed-through type to design, namely strengthen longeron 71 under window, longeron 72 is strengthened at middle part and shirt rim reinforcement longeron 73 is all vertically fixed on whole body side wall, when vehicle body is subject to clashing into, dispersible impulsive force, thus the deformation degree that reduction vehicle body is hit.
The upside strengthening longeron 71 under described window is fixedly connected with longeron under side window 45, and the downside strengthening longeron 71 under window is fixedly connected with longeron 61 pre-buried under window, and strengthens longeron 71 under window and be connected with gusset vertical beam 52 is vertical; The upper side and lower side that longeron 72 is strengthened at described middle part is fixedly connected with two pre-buried longerons 62 in middle part respectively, and middle part reinforcement longeron 72 is connected with gusset vertical beam 52 is vertical; The upside that longeron 73 is strengthened in described shirt rim is fixedly connected with the pre-buried longeron 63 in shirt rim, and the downside that longeron 73 is strengthened in shirt rim is fixedly connected with shirt rim longitudinal beam connected 32, and shirt rim reinforcement longeron 73 is connected with shirt rim vertical beam 53 is vertical.
Embodiment 1:
See figure 1 – Fig. 4, a kind of Birdcage type vehicle body skeleton structure, comprise front wall assembly A, back wall assembly B and top cover assembly C, the two ends of described top cover assembly C are connected with the upper end of front wall assembly A, back wall assembly B, the lower end of front wall assembly A, back wall assembly B is connected with chassis assembly E, the sidepiece of chassis assembly E is connected with top cover assembly C by side wall assembly D, and described top cover assembly C comprises the many top cross-bar be parallel to each other 51, and described side wall assembly D comprises the many gusset vertical beams 52 be parallel to each other, the two ends of described top cross-bar 51 are connected with the top of gusset vertical beam 52, and the bottom of gusset vertical beam 52 is fixedly connected with shirt rim assembly F, and top cross-bar 51, gusset vertical beam 52 are structure as a whole, described vehicle body framework construction also comprises multiple rectangular side window frame 4, and each rectangular side window frame 4 is between two adjacent gusset vertical beams 52, described rectangular side window frame 4 comprises interconnective window frame back timber 41, window sill 42, the left beam 43 of window frame, the right beam 44 of window frame, the bottom of described window sill 42 is provided with longeron 45 under the side window paralleled with it, the below of longeron 43 pre-buried longeron 61 under being provided with the window paralleled with it under side window, and longeron 45 under side window, under window, the two ends of pre-buried longeron 61 are all fixedly connected with gusset vertical beam 52, described shirt rim assembly F comprises the many shirt rim vertical beams 53 be parallel to each other, the top of described shirt rim vertical beam 53 is fixedly connected with by the bottom of longitudinal floor beam 31 with gusset vertical beam 52, the bottom of adjacent shirt rim vertical beam 53 is fixedly connected with shirt rim longitudinal beam connected 32, described gusset vertical beam 52, shirt rim vertical beam 53 is structure as a whole, the top of described longitudinal floor beam 31 is provided with the pre-buried longeron 62 in two middle parts paralleled with it, and the top of described shirt rim longitudinal beam connected 32 is provided with the pre-buried longeron 63 in the shirt rim paralleled with it, described back wall assembly B comprises back wall top cross-bar 22 and back wall base cross members 23, the two ends of described back wall top cross-bar 22 are fixedly connected with the two ends of back wall base cross members 23 by two back wall vertical beams 21, the middle part of back wall base cross members 23 is fixedly connected with the middle part of back wall top cross-bar 22 by two back wall doorframe vertical beams 24, is tail gate 25 between described two back wall doorframe vertical beams 24, pre-buried beam 66 under pre-buried beam 65 and two back walls is fixedly connected with on back wall in pre-buried beam 64, back wall between the back wall vertical beam 21 that described back wall doorframe vertical beam 24 and homonymy thereof are arranged, on described back wall, pre-buried beam 64 is arranged with longeron 45 equal altitudes under side window, and in back wall, pre-buried beam 65 is arranged with pre-buried longeron 61 equal altitudes under window, and under two back walls, pre-buried beam 66 and two middle part pre-buried longeron 62 equal altitudes are arranged.
Embodiment 2:
See figure 5 – Fig. 9, embodiment 2 is substantially the same manner as Example 1, and its difference is:
Described side wall assembly D is arranged fenestrate lower reinforcement longeron 71 and middle part reinforcement longeron 72, the upside strengthening longeron 71 under described window is fixedly connected with longeron under side window 45, the downside strengthening longeron 71 under window is fixedly connected with longeron 61 pre-buried under window, and the upper side and lower side that longeron 72 is strengthened at described middle part is fixedly connected with two pre-buried longerons 62 in middle part respectively; Described shirt rim assembly F is provided with shirt rim and strengthens longeron 73, the upside that longeron 73 is strengthened in described shirt rim is fixedly connected with the pre-buried longeron 63 in shirt rim, and the downside that longeron 73 is strengthened in shirt rim is fixedly connected with shirt rim longitudinal beam connected 32; Described back wall assembly B is provided with on back wall and strengthens strengthening longeron 75 under longeron 74 and back wall, the upside described back wall being strengthened longeron 74 is fixedly connected with beam 64 pre-buried on back wall, downside back wall being strengthened longeron 74 is fixedly connected with beam 65 pre-buried in back wall, and the upper side and lower side strengthening longeron 75 under described back wall is fixedly connected with pre-buried beam 66 under two back walls respectively.
Claims (5)
1. a Birdcage type vehicle body skeleton structure, comprise front wall assembly (A), back wall assembly (B) and top cover assembly (C), the two ends of described top cover assembly (C) are connected with the upper end of front wall assembly (A), back wall assembly (B), the lower end of front wall assembly (A), back wall assembly (B) is connected with chassis assembly (E), the sidepiece of chassis assembly (E) is connected with top cover assembly (C) by side wall assembly (D), it is characterized in that:
Described top cover assembly (C) comprises the many top cross-bar be parallel to each other (51), and described side wall assembly (D) comprises the many gusset vertical beams (52) be parallel to each other; The two ends of described top cross-bar (51) are connected with the top of gusset vertical beam (52), and the bottom of gusset vertical beam (52) is fixedly connected with shirt rim assembly (F), and top cross-bar (51), gusset vertical beam (52) are structure as a whole;
Described side wall assembly (D) is arranged fenestrate lower reinforcement longeron (71) and middle part reinforcement longeron (72), the upside strengthening longeron (71) under described window is fixedly connected with longeron under side window (45), the downside strengthening longeron (71) under window is fixedly connected with longeron (61) pre-buried under window, and the upper side and lower side that longeron (72) is strengthened at described middle part is fixedly connected with the two pre-buried longeron in middle parts (62) respectively;
Described shirt rim assembly (F) is provided with shirt rim and strengthens longeron (73), the upside that longeron (73) is strengthened in described shirt rim is fixedly connected with the pre-buried longeron in shirt rim (63), and the downside that longeron (73) is strengthened in shirt rim is fixedly connected with shirt rim longitudinal beam connected (32);
Described back wall assembly (B) is provided with on back wall and strengthens strengthening longeron (75) under longeron (74) and back wall, the upside described back wall being strengthened longeron (74) is fixedly connected with beam (64) pre-buried on back wall, downside back wall being strengthened longeron (74) is fixedly connected with beam (65) pre-buried in back wall, and the upper side and lower side strengthening longeron (75) under described back wall is fixedly connected with pre-buried beam (66) under two back walls respectively.
2. a kind of Birdcage type vehicle body skeleton structure according to claim 1, is characterized in that:
Described vehicle body framework construction also comprises multiple rectangular side window frame (4), and each rectangular side window frame (4) is positioned between two adjacent gusset vertical beams (52);
Described rectangular side window frame (4) comprises interconnective window frame back timber (41), window sill (42), the left beam of window frame (43), the right beam of window frame (44), the bottom of described window sill (42) is provided with longeron (45) under the side window paralleled with it, pre-buried longeron (61) under the below of longeron (43) is provided with the window paralleled with it under side window, and under side window under longeron (45), window the two ends of pre-buried longeron (61) be all fixedly connected with gusset vertical beam (52).
3. a kind of Birdcage type vehicle body skeleton structure according to claim 2, it is characterized in that: described shirt rim assembly (F) comprises the many shirt rim vertical beams (53) be parallel to each other, the top of described shirt rim vertical beam (53) is fixedly connected with by the bottom of longitudinal floor beam (31) with gusset vertical beam (52), and the bottom of adjacent shirt rim vertical beam (53) is fixedly connected with shirt rim longitudinal beam connected (32);
The top of described longitudinal floor beam (31) is provided with the two pre-buried longeron in the middle parts (62) paralleled with it, and the top of described shirt rim longitudinal beam connected (32) is provided with the pre-buried longeron in the shirt rim paralleled with it (63).
4. a kind of Birdcage type vehicle body skeleton structure according to claim 3, is characterized in that: described gusset vertical beam (52), shirt rim vertical beam (53) are structure as a whole.
5. a kind of Birdcage type vehicle body skeleton structure according to claim 3 or 4, it is characterized in that: described back wall assembly (B) comprises back wall top cross-bar (22) and back wall base cross members (23), the two ends of described back wall top cross-bar (22) are fixedly connected with the two ends of back wall base cross members (23) by two back wall vertical beams (21), the middle part of back wall base cross members (23) is fixedly connected with the middle part of back wall top cross-bar (22) by two back wall doorframe vertical beams (24), is tail gate (25) between described two back wall doorframe vertical beams (24);
Pre-buried beam (66) under pre-buried beam (65) and two back walls is fixedly connected with on back wall in pre-buried beam (64), back wall between the back wall vertical beam (21) that described back wall doorframe vertical beam (24) and homonymy thereof are arranged; On described back wall, pre-buried beam (64) is arranged with longeron (45) equal altitudes under side window, and in back wall, pre-buried beam (65) is arranged with pre-buried longeron (61) equal altitudes under window, and under two back walls, pre-buried beam (66) and two middle part pre-buried longeron (62) equal altitudes are arranged.
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| CN201310033566.XA CN103192883B (en) | 2013-01-29 | 2013-01-29 | A kind of Birdcage type vehicle body skeleton structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104290823B (en) * | 2014-09-26 | 2016-12-07 | 东风扬子江汽车(武汉)有限责任公司 | Coach body structure |
| CN107972746A (en) * | 2016-10-25 | 2018-05-01 | 上汽通用五菱汽车股份有限公司 | A kind of body platform stiffener assembly |
| CN108100042A (en) * | 2018-02-02 | 2018-06-01 | 成都客车股份有限公司 | A kind of panorama transparent ceiling of car |
| CN111645757A (en) * | 2020-03-12 | 2020-09-11 | 上万清源智动车有限公司 | Novel passenger car body structure |
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| CN101503099A (en) * | 2009-03-12 | 2009-08-12 | 中通客车控股股份有限公司 | Motor bus unitary body with large-sized rectangular tube underframe |
| CN201432723Y (en) * | 2009-07-08 | 2010-03-31 | 丹东黄海汽车有限责任公司 | Combined full-bearing passenger car body |
| CN102582689A (en) * | 2012-02-24 | 2012-07-18 | 东风汽车有限公司 | New forms of energy public bus bears formula body structure entirely |
| CN102815338A (en) * | 2012-08-09 | 2012-12-12 | 湖南晟通科技集团有限公司 | Frame structure for car body of light-weight full-loading type passenger car |
| CN203172734U (en) * | 2013-01-29 | 2013-09-04 | 东风汽车公司 | Birdcage type body frame structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103192883A (en) | 2013-07-10 |
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: DONGFENG MOTOR Corp. Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Motor Corporation |