CN202463921U - Light weight bus underframe - Google Patents

Light weight bus underframe Download PDF

Info

Publication number
CN202463921U
CN202463921U CN2011205623049U CN201120562304U CN202463921U CN 202463921 U CN202463921 U CN 202463921U CN 2011205623049 U CN2011205623049 U CN 2011205623049U CN 201120562304 U CN201120562304 U CN 201120562304U CN 202463921 U CN202463921 U CN 202463921U
Authority
CN
China
Prior art keywords
longeron
beams
layer
rear portion
composite beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN2011205623049U
Other languages
Chinese (zh)
Inventor
宗志坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN 3-INNOVATION ELECTRIC AUTOMOBILE TECHNOLOGY Co Ltd
Original Assignee
DONGGUAN 3-INNOVATION ELECTRIC AUTOMOBILE TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGGUAN 3-INNOVATION ELECTRIC AUTOMOBILE TECHNOLOGY Co Ltd filed Critical DONGGUAN 3-INNOVATION ELECTRIC AUTOMOBILE TECHNOLOGY Co Ltd
Priority to CN2011205623049U priority Critical patent/CN202463921U/en
Application granted granted Critical
Publication of CN202463921U publication Critical patent/CN202463921U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Abstract

The utility model relates to the technical field of automobiles, in particular to a light weight bus underframe, which comprises a plurality of longitudinal beams, wherein the longitudinal beams are used for forming a chassis; prae-longitudinal beams and post-longitudinal beams in the longitudinal beams are connected in the fore-and-aft direction; the prae-longitudinal beams and the post-longitudinal beams are positioned in the same directions and are not collinear; the prae-longitudinal beams and the post-longitudinal beams are sectional material beams; two connecting beams connected with each prae-longitudinal beam and each post-longitudinal beam are arranged at the fore-and-aft joint, and the connecting beams are the sectional material beams, so that a square structure is formed by the each two longitudinal beams and each two connecting beams at the fore-and-aft joint so as to a fore-and-aft connection; the square structure is formed by the each two longitudinal beams and each two connecting beams, the structure is simple without overmuch auxiliary connecting pieces, and the manufacture and the assembly are simple; each beam has two connection points close to the square structure so as to form firm connection, so that the safety can be ensured; and compared with the prior art adopting double space longitudinal beams, the light weight bus underframe adopts the sectional material beams, and the connection is simple, so that the weight of a whole vehicle is reduced, and the connection strength can still be kept.

Description

Lightweight bus under-carriage
Technical field
The utility model relates to automobile technical field, refers in particular to a kind of lightweight bus under-carriage.
Background technology
No matter be orthodox car or new-energy automobile, body lightening has become the research focus, but to electronlmobil, the weight-saving meaning is bigger, requires higher to weight-saving.In order to reach significant lightweight effect, need seek new solution from material, structure and manufacturing process.
Pick up and public transport bus mostly adopt two longeron formula chassis carrying structure, arrange that on longeron the series installation point is used for installation chassis parts and compartment, and therefore two longerons are the installation base part, are again main stress members.Owing on the car chassis various parts will be installed, cause longeron to be the complex spatial shape, level is seen from the side; The medium position of longeron is minimum, and anterior and afterbody all will be raised, and especially afterbody is raised the amplitude maximum; See that from overlooking vertically two longerons are not parallel to each other yet, front distance is the narrowest; The rear portion distance is the wideest, and the middle part is gradual change from narrow to wide.It is thus clear that, existing two longeron formula chassis structure more complicated, own wt is heavier, and makes complicacy, is unfavorable for the light-weight design of car load, especially is not suitable for the electronic bus of weight-saving.
That the chassis structure that is used for the lightweight bus preferably satisfies simultaneously is simple in structure, be convenient to make install, lightweight; Reach simultaneously the requirement of safety rate again; For this reason, the utility model provides a kind of lightweight chassis structure principle of compositionality and realize case, can reach these requirements comprehensively.
Summary of the invention
The purpose of the utility model is to provide a kind of safe, simple, weight-saving bus under-carriage.
For realizing above-mentioned purpose; The utility model provides a kind of lightweight bus under-carriage; Comprise many longerons that are used to form the chassis, bonded assembly is followed at floor side member conllinear in the same way but not at front side member at front side member with at floor side member before and after having in the middle of these many longerons; These two longerons are the section bar beam; Be provided with in junction, described front and back two all with at front side member with at floor side member bonded assembly handing-over beam, the handing-over beam is the section bar beam, thus these two longerons realize that with these two handing-over beams formation hollow structures described front and back are connected in junction, described front and back.
Wherein, anterior left side is provided with left front longeron, and the left side, middle part is provided with longeron in the left side, and longeron is connected through said hollow structure realization front and back in left front longeron and the left side; The upper left side, rear portion is provided with the left back longeron of going up, and longeron realizes that through said hollow structure front and back are connected with the left back longeron of going up in the left side; Longeron and the left back longeron of going up are connected to form vertically composite beam of a left side in left front longeron, the left side;
Anterior right side is provided with right front longeron, and the right side, middle part is provided with longeron in the right side, and longeron is connected through said hollow structure realization front and back in right front longeron and the right side; The upper right side, rear portion is provided with the right back longeron of going up, and longeron realizes that through said hollow structure front and back are connected with the right back longeron of going up in the right side; Longeron and the right back longeron of going up are connected to form right vertically composite beam in right front longeron, the right side;
A left side is front cross rail and back after cross member before vertically composite beam and right vertically is provided with between the composite beam, and preceding front cross rail connects vertically the two front end of composite beam and right vertically composite beam of a left side, and back after cross member connects vertically the two rear end of composite beam and right vertical composite beam, a left side.
Wherein, A left side is composite beam and right preceding center member, middle and rear cross beam, the middle back entablatrance of vertically being provided with between the composite beam vertically; The front end of longeron in the longeron and the right side in the preceding center member connection left side; Middle and rear cross beam connects in the left side the two rear end of longeron in the longeron and the right side, and middle back entablatrance connects left back longeron and the right back upward front end of longeron gone up;
A left side vertically composite beam, right vertically composite beam, preceding front cross rail, preceding center member, middle and rear cross beam, middle back entablatrance and back after cross member connects into the basic structure layer.
Wherein, go up longeron and many preceding entablatrances before front upper is provided with many, preceding upward longeron and preceding entablatrance are crossing to connect into front upper part substructure layer, and front upper part substructure layer forwardly is connected with the basic structure layer through many vertical beams.
Wherein, the middle part is provided with many middle longerons and center member, and many middle longerons are set in parallel in inboard and two outsides at basic structure layer middle part respectively, and many middle longerons intersect at the middle part with the basic structure layer through center member and are connected.
Wherein, posterior medial is provided with rear portion longeron and rear portion crossbeam, and the two intersects rear portion longeron and rear portion crossbeam at the rear portion with the basic structure layer and be connected;
Lower rear is provided with back down longeron and back cross sill, and back longeron is down intersected with the back cross sill and connected into rear lower substructure layer, and rear lower substructure layer is connected in lower rear with the basic structure layer through many vertical beams.
Wherein, go up longeron and middle entablatrance during middle part top is provided with, in go up longeron and middle entablatrance and intersect and connect into middle and upper part substructure layer, middle and upper part substructure layer is connected above the middle part with the basic structure layer through many vertical beams.
Wherein, front upper part substructure layer and height such as middle and upper part substructure layer grade, preceding go up longeron with in go up longeron and process by a long longeron.
Wherein, the height such as rear portion of front upper part substructure layer, middle and upper part substructure layer and basic structure layer, preceding go up longeron, in go up longeron and rear portion longeron three is processed by a long longeron.
Wherein, Be connected to joggle between all or part of beam and the beam, joggle is to form the tenon joint that is described below between two beams of green phase bonded assembly to realize: two beams of institute's bonded assembly are the section bar beam, 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, and 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 by the width between the folder face; Public beam is inserted between the described a pair of clamping muscle, inserts back clamping muscle face clamping tenon by the folder face.
The beneficial effect of the utility model: since every the handing-over beam with front side member be connected at floor side member; Coupling together of conllinear in the same way but not, make the section bar beam need not that bending can realize in the same way but the not connection between two of conllinear section bar beams at front side member with at these two section bar beams of floor side member.Article two, longeron and two handing-over beams form the hollow structure, and are simple in structure, need not too much additional attaching parts, make and assemble simple; Near the hollow structure, every beam all has two point of connection, has formed firm connection, has guaranteed safety; Compare with the prior art that adopts the double space longeron, the application adopts the section bar beam, connects simply, makes complete vehicle weight be able to alleviate, and has still kept bonded assembly intensity.
Description of drawings
Fig. 1 is the structure principle chart of the utility model basic structure layer.
Fig. 2 is the connection structure scheme drawing of the utility model tenon joint.
Fig. 3 is the decomposition texture scheme drawing of the utility model tenon joint.
Fig. 4 is the structure principle chart of the utility model embodiment 2.
Fig. 5 is the structural representation of the utility model embodiment 2.
Fig. 6 is the structure principle chart of the utility model embodiment 3.
Fig. 7 is the structural representation of the utility model embodiment 3.
Fig. 8 is the structure principle chart of the utility model embodiment 4.
Reference numeral comprises:
1 - left stringer 2 - left-stringer 3 - left on the stringer 6 - before the front cross member ? 8 - after the rear cross member 11 - Right front stringer 12 - Right in the stringer 13 - right after the upper stringer 15 - rear stringer ? 16 - rear cross member 21 - front upper stringer 22 - before the beams? 23 - the stringer ? 24 - the crossbar ? 25 - rear side sill 26 - after the next crossbar ? 27 - in the upper stringer 28 - in the upper beams ? 30 - Public beam 31 - tenon is sandwiched face 40 - Mother Beam 41 - gripping ribs ? 71 - before the beams 72 - the rear cross member 73 - in the rear upper beam ? 100 - left vertical composite beams 200 - right vertical composite beams 300 - Basic Structure layer? 400 - before the upper layer substructure 600 - rear lower sub-structure layer 700 - in the upper sub-structure layer.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is carried out detailed description.
Embodiment one
Extremely shown in Figure 3 like Fig. 1; The lightweight bus under-carriage of the utility model; Comprise many longerons that are used to form the chassis, bonded assembly is followed at floor side member conllinear in the same way but not at front side member at front side member with at floor side member before and after having in the middle of these many longerons; These two longerons are the section bar beam; Be provided with in junction, described front and back two all with at front side member with at floor side member bonded assembly handing-over beam, the handing-over beam is the section bar beam, thus these two longerons realize that with these two handing-over beams formation hollow structures described front and back are connected in junction, described front and back; Since every handing-over beam with front side member be connected at floor side member, coupling together of conllinear in the same way but not, make the section bar beam need not that bending can realize in the same way but the not connection between two of conllinear section bar beams at front side member with at these two section bar beams of floor side member.Article two, longeron and two handing-over beams form the hollow structure, and are simple in structure, need not too much additional attaching parts, make and assemble simple; Near the hollow structure, every beam all has two point of connection, has formed firm connection, has guaranteed safety.Compare with the prior art that adopts the double space longeron, the application adopts the section bar beam, connects simply, makes complete vehicle weight be able to alleviate, and has still kept bonded assembly intensity.
Anterior left side is provided with left front longeron 1, and the left side, middle part is provided with longeron 2 in the left side, and longeron 2 is connected through said hollow structure realization front and back in left front longeron 1 and the left side; The upper left side, rear portion is provided with the left back longeron 3 of going up, and longeron 2 realizes that through said hollow structure front and back are connected with the left back longeron (3) of going up in the left side; Longeron 2 and the left back longeron 3 of going up are connected to form vertically composite beam 100 of a left side in left front longeron 1, the left side; Anterior right side is provided with right front longeron 11, and the right side, middle part is provided with longeron 12 in the right side, and longeron 12 is connected through said hollow structure realization front and back in right front longeron 11 and the right side; The upper right side, rear portion is provided with the right back longeron 13 of going up, and longeron 12 realizes that through said hollow structure front and back are connected with the right back longeron 13 of going up in the right side; Longeron 12 and the right back longeron 13 of going up are connected to form right vertically composite beam 200 in right front longeron 11, the right side; A left side is composite beam 100 and right preceding front cross rail 6 and the back after cross member 8 of vertically being provided with between the composite beam 200 vertically; Before front cross rail 6 connect vertically the two front end of composite beam 100 and right vertically composite beam 200 of a left side, back after cross member 8 connects vertically the two rear end of composite beam 100 and right vertical composite beam 200, a left side.Is connected before and after the longeron 2 through port font structures in left front longeron 1 and the left side, the realization under-carriage is in the dislocation and the extension of Width; Longeron 2 is connected with the left back longeron 3 through port font structures front and back of going up in the left side, realizes dislocation and the extension of under-carriage in short transverse; Longeron 2 and left back is gone up longeron 3 through the vertical composite beam 100 in the left side that is connected to form before and after the said hollow structure in left front longeron 1, the left side, makes in the same way but not need not bending between the section bar beam of conllinear and can connect.In like manner, longeron 12 and the right back longeron 13 of going up are through being connected to form right vertically composite beam 200 in right front longeron 11, the right side before and after the said hollow structure, and having realized in the same way but not need not bending between the section bar beam of conllinear is attachable effect.
A left side is composite beam 100 and right preceding center member 71, middle and rear cross beam 72, the middle back entablatrance 73 of vertically being provided with between the composite beam 200 vertically; The front end of longeron 12 in the longeron 2 and the right side in the preceding center member 71 connection left sides; The two rear end of longeron 12 in longeron 2 and the right side in the middle and rear cross beam 72 connection left sides, middle back entablatrance 73 connects left back longeron 3 and the right back front end of going up longeron 13 gone up; A left side vertically composite beam 100, right vertically composite beam 200, preceding front cross rail 6, preceding center member 71, middle and rear cross beam 72, middle back entablatrance 73 and back after cross member 8 connects into basic structure layer 300.Through on the basis of basic structure layer 300, connecting few section bar beam, can produce the under-carriage of different size and intensity.
Be connected to joggle between all or part of beam and the beam; Joggle is to form the tenon joint that is described below between two beams of green phase bonded assembly to realize: two beams of institute's bonded assembly are the section bar beam; Wherein one is public beam 30, and another is female beam 40, and public beam 30 self has a pair of outside to form tenon by folder face 31; Female beam 40 is provided with a pair of clamping muscle 41 in the inboard of self outside; This spacing to clamping muscle 41 equals tenon by the width of 31 in folder face, and public beam 30 is inserted between the described a pair of clamping muscle 41, inserts 41 clamping tenons of back clamping muscle by folder face 31.Because female beam 40 is provided with a pair of clamping muscle 41; The spacing of clamping muscle 41 equals tenon by the width of 31 in folder face; Make tenon by folder face 31 with 41 contacts of clamping muscle, thereby let female beam 40 form joggles with public beam 30, need not additional other auxiliary component and can realize firm connection.Female beam 30 is not to carry out clamping with self outside, comes clamping but in the inboard of self outside a pair of clamping muscle 41 is set, and this clamping muscle 41 has played the effect of reinforced rib simultaneously, can not cause the outside not to be out of shape, thereby in connection, has guaranteed the intensity of female beam 71.The said beam that is connected all adopts the section bar beam, connects simple and reliablely, has not only alleviated the weight of under-carriage, and has kept the Joint strenght of under-carriage.
Embodiment two
Extremely shown in Figure 5 like Fig. 4; The difference of present embodiment and embodiment one is; Before being provided with many, front upper goes up longeron 21 and many preceding entablatrances 22; Before go up longeron 21 and intersect with preceding entablatrance 22 and connect into front upper part substructure layer 400, front upper part substructure layer 400 forwardly is connected with basic structure layer 300 through many vertical beams; Basic structure layer 300 front upper can effectively improve anterior height and the intensity of under-carriage through connecting front upper part substructure 400.
The middle part is provided with many middle longerons 23 and center member 24, and many middle longerons 23 are set in parallel in inboard and two outsides at basic structure layer 300 middle part respectively, and many middle longerons 23 intersect at the middle part with basic structure layer 300 through center member 24 and are connected; Basic structure layer 300 middle part can effectively have been improved the intensity and the width of widening the underframe middle part at under-carriage middle part through connecting many middle longerons 23 with center member 24.
Posterior medial is provided with rear portion longeron 15 and rear portion crossbeam 16, rear portion longeron 15 and rear portion crossbeam 16 the two with basic structure layer 300 at the rear portion crossing the connection; Lower rear is provided with back down longeron 25 and back cross sill 26, and back longeron 25 is down intersected with back cross sill 26 and connected into rear lower substructure layer 600, and rear lower substructure layer 600 is connected in lower rear with basic structure layer 300 through many vertical beams; Basic structure layer 300 rear portion are improved the intensity at under-carriage rear portion through connecting rear portion longeron 15 with rear portion crossbeam 16; Further improved the intensity at under-carriage rear portion in basic structure layer 300 lower rear through connecting rear lower substructure 600.
On the basis of basic structure layer 300, further additional a series of substructures with further braced chassis mechanical property, are installed for parts simultaneously architecture basics are provided.The remainder of present embodiment is identical with embodiment one, repeats no more here.
Embodiment three
Extremely shown in Figure 7 like Fig. 6; The difference of present embodiment and embodiment two is; Present embodiment is on the basis of embodiment two said under-carriages; Longeron 27 and middle entablatrance 28 in above the middle part, being provided with, in go up longeron 27 and intersect with middle entablatrance 28 and connect into middle and upper part substructure layer 700, middle and upper part substructure layer 700 is connected above the middle part with basic structure layer 300 through many vertical beams; Increase middle and upper part substructure layer 700 and can further strengthen the under-carriage mechanical property, reduce the number of steps of under-carriage simultaneously.Substructure layer 700 is connected with many vertical beams with the middle part of basic structure layer 300 in the middle and upper part, can further improve the integral rigidity of under-carriage structure.Front upper part substructure layer 400 and middle and upper part substructure layer 700 height such as grade, preceding go up longeron 21 with on longeron 27 both process by a long longeron, strengthened the Joint strenght of under-carriage front structure and central structure thus.Simple connection structure has realized that not only the anterior bilayer of under-carriage connects, and has increased loading strength, but also has alleviated the weight of under-carriage greatly.The remainder of present embodiment is identical with embodiment two, repeats no more here.
Embodiment four
As shown in Figure 8; The difference of present embodiment and embodiment three is; The height such as rear portion of front upper part substructure layer 400, middle and upper part substructure layer 700 and basic structure layer 300, preceding go up longeron 21, in go up longeron 27 and longeron 15 threes in rear portion are processed by a long longeron; Strengthened the Joint strenght of under-carriage front structure, central structure and rear structure thus and realized that under-carriage does not have the step double-decker; Need not too much additional attaching parts; Just the bilayer that can realize under-carriage makes up, and under the requirement of satisfying strength and stiffness, at utmost keeps the lightweight of car load; Through the joggle between the section bar beam, greatly reduce the manufacture difficulty of bus under-carriage.
The remainder of present embodiment is identical with embodiment three, repeats no more here.
In the utility model, joggle also can make welding into and wait other connection mode, but is preferably joggle.
Above content is merely the preferred embodiment of the utility model; For those of ordinary skill in the art; According to the thought of the utility model, the part that on the specific embodiment and field of application, all can change, this description should not be construed as the restriction to the utility model.

Claims (10)

1. lightweight bus under-carriage; Comprise many longerons that are used to form the chassis; Bonded assembly is at front side member with at floor side member before and after having in the middle of these many longerons, follows at floor side member conllinear in the same way but not at front side member, and these two longerons are the section bar beam; It is characterized in that; Be provided with in junction, described front and back two all with at front side member with at floor side member bonded assembly handing-over beam, the handing-over beam is the section bar beam, thus these two longerons realize that with these two handing-over beams formation hollow structures described front and back are connected in junction, described front and back.
2. lightweight bus under-carriage according to claim 1 is characterized in that:
Anterior left side is provided with left front longeron (1), and the left side, middle part is provided with longeron in the left side (2), and longeron (2) is connected through said hollow structure realization front and back in left front longeron (1) and the left side; The upper left side, rear portion is provided with the left back longeron (3) of going up, and longeron in the left side (2) realizes that through said hollow structure front and back are connected with the left back longeron (3) of going up; Longeron (2) and the left back longeron (3) of going up are connected to form vertically composite beam (100) of a left side in left front longeron (1), the left side;
Anterior right side is provided with right front longeron (11), and the right side, middle part is provided with longeron in the right side (12), and longeron (12) is connected through said hollow structure realization front and back in right front longeron (11) and the right side; The upper right side, rear portion is provided with the right back longeron (13) of going up, and longeron in the right side (12) realizes that through said hollow structure front and back are connected with the right back longeron (13) of going up; Longeron (12) and the right back longeron (13) of going up are connected to form right vertically composite beam (200) in right front longeron (11), the right side;
A left side is composite beam (100) and right preceding front cross rail (6) and the back after cross member (8) of vertically being provided with between the composite beam (200) vertically; Before front cross rail (6) connect vertically the two front end of composite beam (100) and right vertically composite beam (200) of a left side, back after cross member (8) connects vertically the two rear end of the vertical composite beam (200) of the composite beam (100) and the right side, a left side.
3. lightweight bus under-carriage according to claim 2; It is characterized in that: a left side is composite beam (100) and right preceding center member (71), middle and rear cross beam (72), the middle back entablatrance (73) of vertically being provided with between the composite beam (200) vertically; The front end of longeron (12) in the longeron (2) and the right side in preceding center member (71) the connection left side; Middle and rear cross beam (72) connects in the left side the two rear end of longeron (12) in the longeron (2) and the right side, and middle back entablatrance (73) connects left back longeron (3) and the right back upward front end of longeron (13) gone up;
A left side vertically composite beam (100), right vertically composite beam (200), preceding front cross rail (6), preceding center member (71), middle and rear cross beam (72), middle back entablatrance (73) and back after cross member (8) connects into basic structure layer (300).
4. lightweight bus under-carriage according to claim 3; It is characterized in that: go up longeron (21) and many preceding entablatrances (22) before front upper is provided with many; Longeron (21) and preceding entablatrance (22) are crossing on preceding connects into front upper part substructure layer (400), and front upper part substructure layer (400) forwardly is connected with basic structure layer (300) through many vertical beams.
5. lightweight bus under-carriage according to claim 3; It is characterized in that: the middle part is provided with many middle longerons (23) and center member (24); Many middle longerons (23) are set in parallel in inboard and two outsides at basic structure layer (300) middle part respectively, and many middle longerons (23) intersect at the middle part with basic structure layer (300) through center member (24) and are connected.
6. lightweight bus under-carriage according to claim 3; It is characterized in that: posterior medial is provided with rear portion longeron (15) and rear portion crossbeam (16), and the two intersects rear portion longeron (15) and rear portion crossbeam (16) at the rear portion with basic structure layer (300) and be connected;
Lower rear is provided with back longeron (25) and back cross sill (26) down; Longeron (25) and back cross sill (26) are crossing under the back connects into rear lower substructure layer (600), and rear lower substructure layer (600) is connected in lower rear with basic structure layer (300) through many vertical beams.
7. lightweight bus under-carriage according to claim 4; It is characterized in that: go up longeron (27) and middle entablatrance (28) during the top, middle part is provided with; In go up longeron (27) and connect into middle and upper part substructure layer (700) with middle entablatrance (28) is crossing, middle and upper part substructure layer (700) is connected above the middle part with basic structure layer (300) through many vertical beams.
8. lightweight bus under-carriage according to claim 7 is characterized in that: front upper part substructure layer (400) and height such as middle and upper part substructure layer (700) grade, preceding go up longeron (21) with on longeron (27) both process by a long longeron.
9. lightweight bus under-carriage according to claim 8: it is characterized in that; The height such as rear portion of front upper part substructure layer (400), middle and upper part substructure layer (700) and basic structure layer (300), preceding go up longeron (21), in go up longeron (27) and rear portion longeron (15) three is processed by a long longeron.
10. according to any described lightweight bus under-carriage of claim 1-9; It is characterized in that: be connected to joggle between all or part of beam and the beam; Joggle is to form the tenon joint that is described below between two beams of green phase bonded assembly to realize: two beams of institute's bonded assembly are the section bar beam; Wherein one is public beam (30), and another is female beam (40), and public beam (30) self has a pair of outside to form tenon by folder face (31); Female beam (40) is provided with a pair of clamping muscle (41) in the inboard of self outside; This spacing to clamping muscle (41) equals tenon by the width between folder face (31), and public beam (30) is inserted between the described a pair of clamping muscle (41), inserts back clamping muscle (41) face clamping tenon by folder face (31).
CN2011205623049U 2011-12-29 2011-12-29 Light weight bus underframe Withdrawn - After Issue CN202463921U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205623049U CN202463921U (en) 2011-12-29 2011-12-29 Light weight bus underframe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205623049U CN202463921U (en) 2011-12-29 2011-12-29 Light weight bus underframe

Publications (1)

Publication Number Publication Date
CN202463921U true CN202463921U (en) 2012-10-03

Family

ID=46912106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205623049U Withdrawn - After Issue CN202463921U (en) 2011-12-29 2011-12-29 Light weight bus underframe

Country Status (1)

Country Link
CN (1) CN202463921U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587581A (en) * 2013-11-29 2014-02-19 东莞中山大学研究院 Double-layer chassis frame structure of light-weight middle-sized bus
CN104779529A (en) * 2015-03-23 2015-07-15 国家电网公司 High-intensity prefabricated cabin type transformer substation combined structure
CN108396357A (en) * 2018-05-11 2018-08-14 机械工业第四设计研究院有限公司 A kind of mechanism for realizing swing rod conveying outlet length sledge and collinearly joining

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587581A (en) * 2013-11-29 2014-02-19 东莞中山大学研究院 Double-layer chassis frame structure of light-weight middle-sized bus
CN103587581B (en) * 2013-11-29 2016-03-30 东莞中山大学研究院 A kind of double-layered base plate shelf structure of lightweight minibus
CN104779529A (en) * 2015-03-23 2015-07-15 国家电网公司 High-intensity prefabricated cabin type transformer substation combined structure
CN108396357A (en) * 2018-05-11 2018-08-14 机械工业第四设计研究院有限公司 A kind of mechanism for realizing swing rod conveying outlet length sledge and collinearly joining
CN108396357B (en) * 2018-05-11 2023-09-08 机械工业第四设计研究院有限公司 Mechanism for realizing collinear connection of long and short sledges of swing rod conveying outlet

Similar Documents

Publication Publication Date Title
CN202147725U (en) Car frame structure
CN202783437U (en) Blade electric vehicle floor board structure
CN103587581B (en) A kind of double-layered base plate shelf structure of lightweight minibus
US20170001507A1 (en) Underbody for a Motor Vehicle
CN101674971B (en) Underframe for automobile
CN201660023U (en) Vehicle body frame
US10220879B2 (en) Vehicle and chassis
CN108068602A (en) The cell-support structure of vehicle body
CN104494702B (en) A kind of pure electric automobile chassis system of use lightweight passenger-carrying chassis structure
CN202463921U (en) Light weight bus underframe
CN103158726A (en) Railway wagon compartment suitable for small limitation bound
CN106687361A (en) Structure for front portion of vehicle body
CN104010926A (en) Motor vehicle body having rear floor and cross-member
CN203460872U (en) Broad gauge subway end bottom frame
CN110027577A (en) Aluminum honeycomb and aluminium sheet splicing drivers' cab and the rail vehicle with it
CN104290822A (en) Substructure for a motor vehicle
CN202279156U (en) Car body structure of low-entry and full-loading type bus
CN203567813U (en) Double-layer chassis frame structure for lightweight middle bus
CN202827805U (en) Longitudinal-beam-free van semi trailer and compartment structure thereof
CN201800773U (en) Electric vehicle frame
CN103183054A (en) Lightweight underframe for bus
CN102050148A (en) Freight truck frame and freight truck with frame
CN207773247U (en) Frame cross
CN104494701B (en) A kind of passenger-carrying chassis foundation structure of overall stress
CN202923718U (en) Tail beam for full-trailer truck

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121003

Effective date of abandoning: 20160504

C25 Abandonment of patent right or utility model to avoid double patenting