Lightweight bus vehicle frame
Technical field
The utility model belongs to automobile technical field, is specifically related to lightweight bus vehicle frame.
Background technology
Along with the scarcity day by day of earth oil resources, fuel price climbs up and up, and automobile quantity still continues to increase, and if things go on like this, will welcome an energy source of car crisis inevitably; And emission of automobile wastes, the ball environment pollution is comparatively serious over the ground.Therefore it is imperative to substitute traditional fuel-engined vehicle with new-energy automobile, and wherein electronlmobil with the vehicle power is power, and is less relatively to environmental concerns, and prospect is good by extensively.No matter be orthodox car or new-energy automobile, the lightweight of vehicle body is necessary, and the lightweight of auto body also becomes the main research direction of automotive field.Guaranteeing that under the prerequisite of vehicle safety, the complete vehicle quality with vehicle alleviates as much as possible, can improve its dynamic property, also can reduce consumption of fuel simultaneously and reduce exhaust pollution.The experiment proof is arranged: if the complete vehicle quality of automobile is alleviated 10%, fuel efficiency can promote 6~8%; If complete vehicle quality whenever alleviates 100kg, fuel consumption of 100km just can reduce by 0.3~0.6L; Especially for electronlmobil, because the finite energy that battery carries, body lightening seems particularly important for electronlmobil.
In order to improve bus body strength and rigidity, the rod member quantity on the bus vehicle frame is more and more, structure is more and more numerous and diverse, causes that vehicle body increases the weight of, energy consumption increases; Rod member layout in the existing bus body structure is chaotic, topological structure is unreasonable, has influenced the performance of integral structure stress-bearing capability; Because topological structure is unreasonable, cause weld nugget to increase, manufacture difficulty strengthens, the vehicle frame welding deformation increases, and prolongs the manufacturing cycle.To the electronic bus of lightweight bus, especially lightweight, need a kind of simple in structure, lightweight of design, reach the brand-new body shell of safety rate simultaneously again.And structure can't satisfy this three kinds of requirements simultaneously at present.
Summary of the invention
The purpose of the utility model is to provide safety, simple, weight-saving bus vehicle frame.
Provide lightweight bus vehicle frame for this reason; Comprise the ring frame that is surrounded on headstock, car both sides and the tailstock; Ring frame is divided into roof ring frame, car waist ring frame and car bottom annular frame, and car waist ring frame is left a blank at the car door place, and car bottom annular frame upwards arches upward to hold wheel at placement wheel place; Roof is provided with many crossbeam cross-over connections between the edge of the both sides of roof ring frame, also is provided with this each bar crossbeam of longeron cross-over connection; Be provided with many crossbeam cross-over connections at the bottom of the car between the both sides edge of car bottom annular frame, also be provided with this each bar crossbeam of longeron cross-over connection; Headstock, car both sides and the tailstock are equipped with many above-mentioned each ring frames of vertical beam cross-over connection; Above-mentioned ring frame is the section bar beam, and above-mentioned each bar crossbeam, longeron, vertical beam are the section bar beam.
Given lightweight bus vehicle frame; Its headstock is through the preceding edge and the vertical beam of ring frame; Its tailstock is through the back edge and the vertical beam of ring frame, and its roof passes through car bottom annular frame, crossbeam and longeron through roof ring frame, crossbeam and longeron at the bottom of its car; Its car both sides have formed body shell through the side frame limit and the vertical beam of ring frame.Be characterized in: 1) simple in structure, point of connection is few; 2) all beams are evenly distributed on three groups of mutually perpendicular surfaces, and topological structure is simple, sound construction; 3) beam can adopt interspersed structure in crossover sites, reduces breakpoint, and stressed effect is good.It is thus clear that given bus vehicle frame can satisfy lightweight, simple and safe requirement simultaneously.
On the basis of given lightweight bus vehicle frame, give preferred lightweight bus vehicle frame; Be assembled by under-carriage and vehicle body frame; Under-carriage comprises said car bottom annular frame, cross-over connection said many crossbeams between the both sides edge of car bottom annular frame and the said longeron of this each bar crossbeam of cross-over connection; Vehicle body frame comprises the said longeron of said roof ring frame, cross-over connection said many crossbeams, this each bar crossbeam of cross-over connection between the edge of the both sides of roof ring frame, said car waist ring frame and said many vertical beams, and under-carriage is realized assembling with vehicle body frame through car bottom annular frame and being connected of vertical beam.
Provide further preferred lightweight bus vehicle frame again; Each section bar beam of under-carriage each section bar beam of part and/or vehicle body frame part of joining of joining forms the tenon joint that is described below: the Liang Tiaoliang that is joined, and wherein one is public beam, another is female beam; Public beam self has a pair of outside to form tenon by the folder face; Female beam is provided with a pair of clamping muscle in the inboard of self outside, and this spacing to the clamping muscle equals tenon and pressed from both sides width, and female beam also has the socket that cooperates with public beam; Public beam is inserted between the described a pair of clamping muscle from spigot, inserts back clamping muscle face clamping tenon by the folder face.Because female beam is provided with a pair of clamping muscle, the spacing of clamping muscle equals tenon and is pressed from both sides width, and tenon is contacted with clamping muscle face by the folder face, thereby lets female beam form joggle with public beam, so its beneficial effect is to need not additional other auxiliary component can realize firm connection.The key of this further preferred version is; Female beam is not to carry out clamping with self outside, comes clamping but the inboard outside self is provided with a pair of clamping muscle, and this clamping muscle has played the effect of reinforced rib simultaneously; Can not cause the outside distortion, thereby in connection, guarantee the intensity of female beam.
Description of drawings
Fig. 1 is the scheme drawing of lightweight bus vehicle frame.
Fig. 2 be under-carriage and with the scheme drawing of vehicle body frame.
Fig. 3 is the scheme drawing of another kind of vehicle body frame.
Fig. 4 is the scheme drawing of the public beam in beam joint and female beam.
Fig. 5 forms the scheme drawing that tenon saves after the public beam in beam joint inserts female beam.
Fig. 6 is the scheme drawing that is welded with boss at public beam with the angle between female beam.
The specific embodiment
Lightweight bus vehicle frame such as Fig. 1; Comprise the ring frame 4,5,6 that is surrounded on headstock 98, car both sides and the tailstock 99; Ring frame 4,5,6 is divided into roof ring frame 4, car waist ring frame 5 and car bottom annular frame 6; Car waist ring frame 5 is left a blank at car door 50 places, and car bottom annular frame 6 upwards arches upward to hold wheel at placement wheel place 60.Roof is provided with 42 cross-over connections of many crossbeams between the both sides of roof ring frame 4 edge 41, also is provided with this each bar crossbeam 42 of longeron 43 cross-over connections, and the said longeron 43 that is located at roof has many, is two among the figure for example.Be provided with 62 cross-over connections of many crossbeams at the bottom of the car between the both sides edge 61 of car bottom annular frame 6, also be provided with this each bar crossbeam 62 of longeron 63 cross-over connections.Headstock 98, car both sides and the tailstock 99 are equipped with above-mentioned each ring frame 4,5,6 of many vertical beams 7 cross-over connections, and wherein two vertical beams 75 50 constitute door cases at the car door place with roof ring frame 4 with car bottom annular frame 6 together.Above-mentioned ring frame 4,5,6 is the section bar beam, and above-mentioned each bar crossbeam 42,62, longeron 43,63, vertical beam 7 are the section bar beam.
Lightweight bus vehicle frame is assembled with vehicle body frame 91 by the under-carriage 92 like Fig. 2; Under-carriage 92 comprises the said car bottom annular of preceding text (see figure 1) frame 6, cross-over connection said many crossbeams 62 between the both sides edge 61 of car bottom annular frame 6 and the said longeron 63 of this each bar crossbeam 62 of cross-over connection, and vehicle body frame 91 comprises the said roof ring frame of preceding text (see figure 1) 4, said many crossbeams 42, the said longeron 43 of cross-over connection this each bar crossbeam 42, said car waist ring frame 5 and said many vertical beams 7 of cross-over connection between the both sides of roof ring frame 4 edge 41.Under-carriage 92 is realized assembling through car bottom annular frame 6 be connected (the for example welding) of vertical beam 7 with vehicle body frame 91.
Each section bar beam of under-carriage 92 join each section bar beam of part and/or vehicle body frame 91 join part concrete structure such as Fig. 4,5: two beams 1,2 that joined; Wherein one is public beam 1; Another is female beam 2; Female beam 2 also has the socket 20 that cooperates with public beam 1, thereby public beam 1 inserts by female beam 2 clampings from socket 20.More specifically; Each section bar beam of under-carriage each section bar beam of part and/or vehicle body frame part of joining of joining forms like Fig. 4, the tenon joint shown in 5: public beam 1 self has a pair of outside 13 to form tenons by folder face 11; Female beam 2 is provided with a pair of clamping muscle 21 in the inboard of self outside 23; This spacing to clamping muscle 21 equals tenon and is pressed from both sides width, and public beam 1 is inserted between the described a pair of clamping muscle 21 from socket 20, inserts 21 clamping tenons of back clamping muscle by folder face 11.On this basis can also be as shown in Figure 6, intersect the angle at public beam 1 with female beam 2 and be welded with boss 12.
Can change above-mentioned tenon joint structure into public beam with the welding of female beam, intersect the angle at public beam 1 with female beam 2 and be welded with boss, also can realize firm connection at the intersection place.
Like Fig. 1,2; Roof ring frame 4 and/or car waist ring frame 51 are spliced by many section bar beams; Its all/part jointing positions structure if the San Tiaoliang of three directions intersect at a point; Then implementing the comparison difficulty, is example with car waist ring frame 5, and the position with section bar beam 31 in this example in height staggers with section bar beam 32; Particularly, the splice ends of the splice ends of section bar beam 31 and another section bar beam 32 be connected on same the vertical beam 73 but the point of connection 33,34 that forms respectively in height stagger.Also can change into as shown in Figure 3ly, the roof ring frame is one-body molded on a horizontal surface, and car waist ring frame is one-body molded on a horizontal surface.Can change also that the roof ring frame is spliced by many section bar beams into and on a horizontal surface, and/or car waist ring frame is spliced by many section bar beams and on a horizontal surface.
Like Fig. 2, each vertical beam 79 three of a crossbeam 49 and car both sides of roof are spliced into n shape, even crossbeam 48 and vertical beam the 73, the 78th, do not line up.Also can change into as shown in Figure 3ly, each the vertical beam 77 three in one moulding of crossbeam of roof 47 and car both sides become the n ellbeam.
Like Fig. 2, a vertical beam of a longeron of roof 46 and the tailstock 76 both be spliced into L shaped.Also can change into as shown in Figure 3ly, both are one-body molded for a vertical beam of a longeron of roof 44 and the tailstock 74, become L shaped beam.
Below only be the preferred embodiment of the utility model, equivalent technical solutions on this basis still falls into protection domain.