A kind of birdcage vehicle body framework construction
Technical field
The present invention relates to a kind of automobile skeleton structure, relate in particular to a kind of birdcage vehicle body framework construction, specifically be applicable to the fastness and the impact resistance that strengthen body framwork.
Background technology
According to domestic the strictest existing school bus rules, also only require back timber, column and floor crossmember on the same cross-sectional plane should form enclosed ring, should adopt integral structure from longeron on the side window to the vehicle body column floor crossmember, the centre must not connect by welding.The vehicle body of this enclosed ring form, because its top cover and gusset structure still do not constitute an integral body, vehicle body vertically connects also for sectional type longeron and crossbeam (column) are welded, and may cause roof to be put in order in the traffic accident and shear to come off, and perhaps body distortion invades the situation of living space.
The Chinese patent Granted publication number is CN201432723Y, and Granted publication day is that the utility model patent on March 31st, 2010 discloses compound all-loading coach body, encloses assembly, two gusset assemblies, back wall assembly, top cover assembly and chassis assembly before including.Trunk in its each plane of structure assembly is corresponding fixing assembling mutually, has constituted the full-closed structure ring, be connected and fixed by the through longeron of integral body and diagonal ligament beam between each closed-loop, and having formed carload can both the actv. transmission and the framed structure of decomposition.Though this utility model can make vehicle body whole stressed even, it still has following defective:
1, the car body top cover assembly of this utility model is connected with side wall assembly by welding manner, connects firmly inadequately, and safety is lower.
2, the side wall frame of this utility model adopts the triangular support beam, though can reach the stressed effect of even support, impact resistance that should design a little less than, safety is lower.
Summary of the invention
The objective of the invention is to overcome the top cover assembly that exists in the prior art and be connected problem 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 vehicle body framework construction of body framwork strong shock resistance.
For realizing above purpose, technical solution of the present invention is:
A kind of birdcage vehicle body framework construction, enclose assembly, back wall assembly and top cover assembly before comprising, the two ends of described top cover assembly are connected with the upper end of before enclosing assembly, back wall assembly, before enclose assembly, back wall assembly the lower end be connected with chassis assembly, 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 that are parallel to each other, and described side wall assembly comprises that the many gussets that are parallel to each other found beam; The top of the upright beam of the two ends of described top cross-bar and gusset is connected, and captives joint with the shirt rim assembly in the bottom of the upright beam of gusset, and top cross-bar, gusset are found beam and be structure as a whole.
Described vehicle body framework construction also comprises a plurality of rectangular side window frames, and each rectangular side window frame is between the upright beam of two adjacent gussets;
Described rectangular side window frame comprises interconnective window frame back timber, window sill, window frame left side beam, the right beam of window frame, longeron under the side window that the bottom of described window sill is provided with it parallels, pre-buried longeron under the window that the below of longeron is provided with it parallels under the side window, and under the side window under longeron, the window two ends of pre-buried longeron all captive joint with the upright beam of gusset.
Described shirt rim assembly comprises the many shirt rim Li Liang that are parallel to each other, and captives joint with the bottom of the upright beam of gusset by longitudinal floor beam in the top of the upright beam in described shirt rim, and the bottom of the upright beam in adjacent shirt rim is fixedly connected with the shirt rim and connects longeron;
The top of described longitudinal floor beam is provided with two pre-buried longerons in middle part that parallel with it, and the top that described shirt rim connects longeron is provided with the pre-buried longeron in the shirt rim that parallels with it.
Described gusset founds beam, shirt rim Li Liang is structure as a whole.
Described back wall assembly comprises back wall top cross-bar and back wall base cross members, captive joint with the two ends of back wall base cross members by the upright beam of two back walls in the two ends of described back wall top cross-bar, captiveing joint with the middle part of back wall top cross-bar by the upright beam of two back wall doorframes in the middle part of back wall base cross members, is tail gate between the upright beam of described two back wall doorframes;
Be fixedly connected with on the back wall in pre-buried beam, the back wall pre-buried beam under pre-buried beam and two back walls between the upright beam of the back wall of the upright beam of described back wall doorframe and homonymy setting thereof; Longeron equal altitudes setting under pre-buried beam and the side window on the described back wall, pre-buried longeron equal altitudes setting under pre-buried beam and the window in the back wall, pre-buried beam and two pre-buried longeron equal altitudes in middle part arrange under two back walls.
Described side wall assembly is provided with strengthens longeron and middle part reinforcement longeron under the window, the upside of strengthening longeron under the described window is captiveed joint with longeron under the side window, the downside of strengthening longeron under the window is captiveed joint with pre-buried longeron under the window, and the upside of described middle part reinforcement longeron is captiveed joint with two pre-buried longerons in middle part respectively with downside;
Described shirt rim assembly is provided with the shirt rim and strengthens longeron, and the upside of described shirt rim reinforcement longeron is captiveed joint with the pre-buried longeron in shirt rim, and the downside that longeron is strengthened in the shirt rim is connected the longeron captive joint with the shirt rim;
Described back wall assembly is provided with to be strengthened on the back wall strengthening longeron under longeron and the back wall, the upside of strengthening longeron on the described back wall is captiveed joint with pre-buried beam on the back wall, the downside of strengthening longeron on the back wall is captiveed joint with pre-buried beam in the back wall, and the upside of strengthening longeron under the described back wall is captiveed joint with pre-buried beam under two back walls respectively with downside.
Compared with prior art, beneficial effect of the present invention is:
1, the top cross-bar in a kind of birdcage vehicle body framework construction of the present invention, the upright beam of gusset and shirt rim Li Liang are structure as a whole, such design optimization the structure of body framwork, make that the connection between top cover assembly, side wall assembly and the shirt rim assembly is more firm, and the upright beam of top cross-bar, gusset and floor crossmember form enclosed ring, strengthened body framwork impact resistance, improved safety performance.Therefore, the design's sound construction, strong shock resistance.
2, the side wall assembly in a kind of birdcage vehicle body framework construction of the present invention is provided with pre-buried longeron under the window, the pre-buried longeron in middle part, the shirt rim assembly is provided with the pre-buried longeron in shirt rim, such design reinforcement body structure, improved the impact resistance of body side wall, when having an accident, ensured the living space of interior.Therefore, the design's gusset sound construction, safety is good.
3, back wall is provided with on the back wall in pre-buried beam, the back wall pre-buried beam under the pre-buried beam and back wall in a kind of birdcage vehicle body framework construction of the present invention, has reinforced the body rear wall skeleton, when knocking into the back, has improved the safety performance of vehicle body.Therefore, the design's rear wall frame is firm, and safety is good.
4, the periphery of each pre-buried beam is provided with strength beam in a kind of birdcage vehicle body framework construction of the present invention, when the collision accident takes place, the bending structure of strength beam self can be resisted certain impact, and strength beam is along gusset and the back wall setting in whole compartment, its whole structure that connects can be disperseed stressed, deformation degree after reducing body framwork and being hit further ensures the safety of passenger in the compartment.Therefore, the design's strong shock resistance, the deformation degree is little, and is safe.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 be among Fig. 1 side wall assembly structural representation.
Fig. 3 is the structural representation of top cross-bar among Fig. 1.
Fig. 4 is the structural representation of back wall assembly among Fig. 1.
Fig. 5 is the structural representation of the embodiment of the invention 2.
Fig. 6 is the structural representation that longeron is strengthened in the shirt rim among Fig. 5.
Fig. 7 is the structural representation of strengthening longeron among Fig. 5 on the back wall.
Fig. 8 is the connection diagram of strengthening longeron under longeron and the side window among Fig. 5 under the window.
Fig. 9 is the connection diagram that longeron and the pre-buried longeron in middle part are strengthened in the middle part among Fig. 5.
Among the figure: the preceding assembly A that encloses, back wall assembly B, top cover assembly C, side wall assembly D, chassis assembly E, shirt rim assembly F, back wall founds beam 21, back wall top cross-bar 22, back wall base cross members 23, the back wall doorframe founds beam 24, tail gate 25, longitudinal floor beam 31, the shirt rim connects longeron 32, rectangular side window frame 4, window frame back timber 41, window sill 42, window sill 42, window frame left side beam 43, longeron 45 under the side window, top cross-bar 51, gusset founds beam 52, beam 53 is found in the shirt rim, pre-buried longeron 61 under the window, the pre-buried longeron 62 in middle part, the pre-buried longeron 63 in shirt rim, pre-buried beam 64 on the back wall, pre-buried beam 65 in the back wall, pre-buried beam 66 under the back wall, strengthen longeron 71 under the window, longeron 72 is strengthened at the middle part, longeron 73 is strengthened in the shirt rim, strengthen longeron 74 on the back wall, strengthen longeron 75 under the back wall.
The specific embodiment
The present invention is further detailed explanation below in conjunction with description of drawings and the specific embodiment.
Referring to figure 1 – Fig. 9, a kind of birdcage vehicle body framework construction, enclose assembly A, back wall assembly B and top cover assembly C before comprising, the two ends of described top cover assembly C are connected with the upper end of before enclosing assembly A, back wall assembly B, before enclose assembly A, back wall assembly B the lower end be connected with chassis assembly E, 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 that are parallel to each other 51, and described side wall assembly D comprises that the many gussets that are parallel to each other found beam 52; The top of the upright beam 52 of the two ends of described top cross-bar 51 and gusset is connected, and captives joint with shirt rim assembly F in the bottom of the upright beam 52 of gusset, and top cross-bar 51, gusset are found beam 52 and be structure as a whole.
Described vehicle body framework construction also comprises a plurality of rectangular side window frames 4, and each rectangular side window frame 4 is between the upright beam 52 of two adjacent gussets;
Described rectangular side window frame 4 comprises interconnective window frame back timber 41, window sill 42, window frame left side beam 43, the right beam 44 of window frame, longeron 45 under the side window that the bottom of described window sill 42 is provided with it parallels, pre-buried longeron 61 under the window that the below of longeron 43 is provided with it parallels under the side window, and under the side window under longeron 45, the window two ends of pre-buried longeron 61 all captive joint with the upright beam 52 of gusset.
Described shirt rim assembly F comprises that the many shirt rims that are parallel to each other found beam 53, captives joint with the bottom of the upright beam 52 of gusset by longitudinal floor beam 31 in the top of the upright beam 53 in described shirt rim, and the bottom of the upright beam 53 in adjacent shirt rim is fixedly connected with shirt rim connection longeron 32;
The top of described longitudinal floor beam 31 is provided with the pre-buried longeron 62 in two middle parts that parallels with it, and the top that described shirt rim connects longeron 32 is provided with the pre-buried longeron 63 in the shirt rim that parallels with it.
Described gusset founds beam 52, the upright beam 53 in shirt rim is structure as a whole.
Described back wall assembly B comprises back wall top cross-bar 22 and back wall base cross members 23, captive joint with the two ends of back wall base cross members 23 by the upright beam 21 of two back walls in the two ends of described back wall top cross-bar 22, captiveing joint with the middle part of back wall top cross-bar 22 by the upright beam 24 of two back wall doorframes in the middle part of back wall base cross members 23, is tail gate 25 between the upright beam 24 of described two back wall doorframes;
Be fixedly connected with on the back wall in pre-buried beam 64, the back wall pre-buried beam 66 under pre-buried beam 65 and two back walls between the upright beam 21 of the back wall of the upright beam 24 of described back wall doorframe and homonymy setting thereof; Longeron 45 equal altitudes settings under pre-buried beam 64 and the side window on the described back wall, pre-buried longeron 61 equal altitudes settings under pre-buried beam 65 and the window in the back wall, pre-buried beam 66 and two pre-buried longeron 62 equal altitudes settings in middle part under two back walls.
Described side wall assembly D is provided with and strengthens longeron 71 and middle part reinforcement longeron 72 under the window, the upside of strengthening longeron 71 under the described window is captiveed joint with longeron 45 under the side window, the downside of strengthening longeron 71 under the window is captiveed joint with pre-buried longeron 61 under the window, and the upside of described middle part reinforcement longeron 72 is captiveed joint with two pre-buried longerons 62 in middle part respectively with downside;
Described shirt rim assembly F is provided with the shirt rim and strengthens longeron 73, and the upside of described shirt rim reinforcement longeron 73 is captiveed joint with the pre-buried longeron 63 in shirt rim, and the downside that longeron 73 is strengthened in the shirt rim is connected longeron 32 captive joints with the shirt rim;
Described back wall assembly B is provided with and strengthens strengthening under longeron 74 and the back wall longeron 75 on the back wall, the upside of strengthening longeron 74 on the described back wall is captiveed joint with pre-buried beam 64 on the back wall, the downside of strengthening longeron 74 on the back wall is captiveed joint with pre-buried beam 65 in the back wall, and the upside of strengthening longeron 75 under the described back wall is captiveed joint with pre-buried beam 66 under two back walls respectively with downside.
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 the floor crossmember on the upright beam 52 of gusset and the chassis assembly E, top cross-bar 51, the upright beam 52 of gusset and floor crossmember form enclosed ring, and top cross-bar 51, the upright beam 52 of gusset are structure as a whole, rather than adopt welding manner to connect, the fastness that is connected between top assembly C and the side wall assembly D has not only been strengthened in such design, and strengthened the impact resistance of the upright beam 52 of gusset, improved the safety performance of body framwork.
Pre-buried beam comprises: pre-buried beam 66 under pre-buried beam 65, the back wall in pre-buried beam 64, the back wall on pre-buried longeron 61, the pre-buried longeron 62 in middle part, the pre-buried longeron 63 in shirt rim, the back wall under the window;
Strength beam comprises: strengthen under the window strengthening strengthening under longeron 74, the back wall longeron 75 on longeron 71, middle part reinforcement longeron 72, shirt rim reinforcement longeron 73, the back wall.
Referring to figure 8 – Fig. 9, upside and the downside of strength beam are fixed position, and shock proof bending structure is adopted at its middle part, has improved its impact resistance to greatest extent; And strengthen longeron 71, middle part reinforcement longeron 72 and shirt rim under the window and strengthen the whole through design of longeron 73 employings, be to strengthen longeron 71, middle part reinforcement longeron 72 and shirt rim reinforcement longeron 73 under the window all to be vertically fixed on whole body side wall, when vehicle body is subjected to clashing into, can disperse impulsive force, thereby reduce the deformation degree that vehicle body is hit.
The upside of strengthening longeron 71 under the described window is captiveed joint with longeron 45 under the side window, and the downside of strengthening longeron 71 under the window is captiveed joint with pre-buried longeron 61 under the window, and strengthens longeron 71 and upright 52 vertical connections of beam of gusset under the window; The upside of described middle part reinforcement longeron 72 is captiveed joint with two pre-buried longerons 62 in middle part respectively with downside, and longeron 72 and upright 52 vertical connections of beam of gusset are strengthened in the middle part; The upside of described shirt rim reinforcement longeron 73 is captiveed joint with the pre-buried longeron 63 in shirt rim, and the downside that longeron 73 is strengthened in the shirt rim is connected longeron 32 captive joints with the shirt rim, and longeron 73 and upright 53 vertical connections of beam of shirt rim are strengthened in the shirt rim.
Embodiment 1:
Referring to figure 1 – Fig. 4, a kind of birdcage vehicle body framework construction, enclose assembly A, back wall assembly B and top cover assembly C before comprising, the two ends of described top cover assembly C are connected with the upper end of before enclosing assembly A, back wall assembly B, before enclose assembly A, back wall assembly B the lower end be 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 that are parallel to each other 51, and described side wall assembly D comprises that the many gussets that are parallel to each other found beam 52; The top of the upright beam 52 of the two ends of described top cross-bar 51 and gusset is connected, and captives joint with shirt rim assembly F in the bottom of the upright beam 52 of gusset, and top cross-bar 51, gusset are found beam 52 and be structure as a whole; Described vehicle body framework construction also comprises a plurality of rectangular side window frames 4, and each rectangular side window frame 4 is between the upright beam 52 of two adjacent gussets; Described rectangular side window frame 4 comprises interconnective window frame back timber 41, window sill 42, window frame left side beam 43, the right beam 44 of window frame, longeron 45 under the side window that the bottom of described window sill 42 is provided with it parallels, pre-buried longeron 61 under the window that the below of longeron 43 is provided with it parallels under the side window, and longeron 45 under the side window, under the window all captive joint with the upright beam 52 of gusset in the two ends of pre-buried longeron 61, described shirt rim assembly F comprises that the many shirt rims that are parallel to each other found beam 53, captive joint with the bottom of the upright beam 52 of gusset by longitudinal floor beam 31 in the top of the upright beam 53 in described shirt rim, the bottom of the upright beam 53 in adjacent shirt rim is fixedly connected with the shirt rim and connects longeron 32, and described gusset founds beam 52, the upright beam 53 in shirt rim 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 that parallels with it, and the top that described shirt rim connects longeron 32 is provided with the pre-buried longeron 63 in the shirt rim that parallels with it; Described back wall assembly B comprises back wall top cross-bar 22 and back wall base cross members 23, captive joint with the two ends of back wall base cross members 23 by the upright beam 21 of two back walls in the two ends of described back wall top cross-bar 22, captiveing joint with the middle part of back wall top cross-bar 22 by the upright beam 24 of two back wall doorframes in the middle part of back wall base cross members 23, is tail gate 25 between the upright beam 24 of described two back wall doorframes; Be fixedly connected with on the back wall in pre-buried beam 64, the back wall pre-buried beam 66 under pre-buried beam 65 and two back walls between the upright beam 21 of the back wall of the upright beam 24 of described back wall doorframe and homonymy setting thereof; Longeron 45 equal altitudes settings under pre-buried beam 64 and the side window on the described back wall, pre-buried longeron 61 equal altitudes settings under pre-buried beam 65 and the window in the back wall, pre-buried beam 66 and two pre-buried longeron 62 equal altitudes settings in middle part under two back walls.
Embodiment 2:
Referring to figure 5 – Fig. 9, embodiment 2 is substantially the same manner as Example 1, and its difference is:
Described side wall assembly D is provided with and strengthens longeron 71 and middle part reinforcement longeron 72 under the window, the upside of strengthening longeron 71 under the described window is captiveed joint with longeron 45 under the side window, the downside of strengthening longeron 71 under the window is captiveed joint with pre-buried longeron 61 under the window, and the upside of described middle part reinforcement longeron 72 is captiveed joint with two pre-buried longerons 62 in middle part respectively with downside; Described shirt rim assembly F is provided with the shirt rim and strengthens longeron 73, and the upside of described shirt rim reinforcement longeron 73 is captiveed joint with the pre-buried longeron 63 in shirt rim, and the downside that longeron 73 is strengthened in the shirt rim is connected longeron 32 captive joints with the shirt rim; Described back wall assembly B is provided with and strengthens strengthening under longeron 74 and the back wall longeron 75 on the back wall, the upside of strengthening longeron 74 on the described back wall is captiveed joint with pre-buried beam 64 on the back wall, the downside of strengthening longeron 74 on the back wall is captiveed joint with pre-buried beam 65 in the back wall, and the upside of strengthening longeron 75 under the described back wall is captiveed joint with pre-buried beam 66 under two back walls respectively with downside.