CN106428211A - Bus frame of pure electric two-stage stepping bus - Google Patents
Bus frame of pure electric two-stage stepping bus Download PDFInfo
- Publication number
- CN106428211A CN106428211A CN201610790287.1A CN201610790287A CN106428211A CN 106428211 A CN106428211 A CN 106428211A CN 201610790287 A CN201610790287 A CN 201610790287A CN 106428211 A CN106428211 A CN 106428211A
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- Prior art keywords
- longeron
- stage casing
- leading portion
- middle connecting
- crossbeam
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a bus frame of a pure electric two-stage stepping bus. The bus frame comprises a front section left longitudinal beam (1), a front section right longitudinal beam (2), central section upper longitudinal beams (3), central section lower longitudinal beams (4), a rear section left longitudinal beam (5), a rear section right longitudinal beam (6), a front and middle connecting section penetrating cross beam (7) and a front and middle connecting section lower cross beam (8), wherein the sections of the front section left longitudinal beam (1) and the front section right longitudinal beam (2) in the center of a front axle separately adopt an outwards-turned Z-shaped curved beam structure; the height of a suspension fork is effectively reduced by the outwards-turned Z-shaped curved beam structures, and two-stage stepping requirements of the complete bus are realized.
Description
Technical field
The present invention relates to a kind of bus frame, more specifically to the pure electronic two-stage stepping bus frame of one,
Belong to Bus Technology field.
Background technology
At present, the pollution of air, the improvement of haze have been the normalization of law management and control, and therefore new forms of energy become city in recent years
The focus of field and favorite.As zero-emission pure electric coach technology is progressively ripe, then need the pure Electric Transit visitor of application specific architecture
Vehicle carriage mates with pure electric coach, thus the arrangement of battery of being more convenient for and car load factory carry out reequiping, safeguard.
But, existing pure e-bus vehicle frame stage casing is groove-shaped longitudinal beam bilateral symmetry, arranges electricity at middle part
Limited by groove-shaped longitudinal beam height cross section value (general height value is 165 230) during pond and can not be made full use of space, vehicle frame left and right；
Longitudinal beam at front section of automobile frame uses C-shaped cross section structure, the left and right inboard width value of car load fore-and-aft direction vehicle frame at front axle centre simultaneously
Little, the car load passenger passageway of arrangement is narrow, is not easy to passenger and passes through；And before and after longitudinal beam generally trench structure when, vehicle body
End skeleton is required to be integrative-structure, and the weight of car load is big, and power consumption also increases accordingly.
Content of the invention
The present invention is directed to existing pure e-bus vehicle frame exist car load fore-and-aft direction at front axle centre vehicle frame
Left and right inboard width value little, be not easy to the problems such as passenger is current, a kind of pure electronic two-stage stepping bus frame is provided.
For achieving the above object, the technical solution of the present invention is：A kind of pure electronic two-stage stepping bus frame,
Including the left longeron of leading portion, leading portion right vertical beam, longeron on stage casing, longeron, the left longeron of back segment, back segment right vertical beam, front middle company under stage casing
The through crossbeam of the section of connecing and front middle connecting segment sill, the left longeron of described leading portion and leading portion right vertical beam cross section at front axle centre are
Turn up Z-type camber beam structure.
The left longeron of described leading portion, leading portion right vertical beam rear end face directly close welding with the through crossbeam of front middle connecting segment, front
On the left longeron of section, leading portion right vertical beam back segment, plane is less than plane on the through crossbeam of front middle connecting segment, and the left longeron of leading portion and leading portion
On right vertical beam back segment, plane and level difference on the through crossbeam of front middle connecting segment are that skeleton square tube above-below direction at the bottom of vehicle body is high
Angle value and bracket web thickness summation, longeron and the welding of front middle connecting segment through crossbeam phase and both upper planes on described stage casing
Concordant.
It is provided with triangle reinforcement raker beam crossbeam through with front middle connecting segment on described stage casing outside longeron to be connected, and
Triangle is strengthened plane on raker beam crossbeam through with front middle connecting segment and is kept concordant.
Described front middle connecting segment through crossbeam lower aerofoil respectively with longeron under stage casing and front middle connecting segment sill upper limb
Face laminating is welded and fixed, and longeron and the laminating of front middle connecting segment sill side under stage casing is welded and fixed.
It is connected with front middle connecting segment through crossbeam lower aerofoil by triangle reinforcing plate outside longeron under described stage casing.
It is provided with longitudinal coincidence between longeron longeron left with back segment under longeron on described stage casing, stage casing, back segment right vertical beam
Transition linkage section.
On described longitudinal direction coincidence transition linkage section stage casing longeron, under stage casing longeron and the left outside side of the left longeron of back segment it
Between be provided with the left outside strengthening web of back segment, be provided with between longeron and the right lateral surface of back segment right vertical beam under longeron on stage casing, stage casing
The right outer strengthening web of back segment.
Being provided with bale of pipeline in the middle part of described vehicle frame and fixing passage, described bale of pipeline is fixed passage and is positioned at middle part truss,
Through front and back and be structure as a whole at fore-and-aft direction.
Compared with prior art, the invention has the beneficial effects as follows：
1st, in the present invention, the left longeron of leading portion and leading portion right vertical beam cross section at front axle centre is Z-type camber beam structure of turning up；Turn up Z-type
Camber beam structure effectively reduces suspension height, meets car load and realizes two-stage stepping requirement；And Z-type cross section makes front section bicycle frame passenger
Channel width angle value can reach 720mm.
2nd, in the present invention, stage casing Vehicle Frame Design directly and body frame Integrated design, improves car load lightweight characteristic,
3rd, the installation of battery of the present invention can preferably utilize the horizontal space of vehicle frame,
4th, to have processing performance excellent for present configuration, and quality is easy to management and control, good reliability, it is simple to the advantage of secondary repacking.
Brief description
Fig. 1 is present configuration schematic diagram.
Fig. 2 is front view of the present invention.
Fig. 3 is left view of the present invention.
Fig. 4 is local 1 enlarged drawing of Fig. 2.
Fig. 5 is the left longeron of leading portion and leading portion right vertical beam Z-type camber beam structural representation in the present invention.
In figure, the left longeron of leading portion 1, leading portion right vertical beam 2, on stage casing longeron 3, and under stage casing longeron 4, the left longeron of back segment 5, back segment
Right vertical beam 6, the through crossbeam of front middle connecting segment 7, front middle connecting segment sill 8, longeron medial plane 9 on stage casing, triangle is strengthened tiltedly
Support beam 10, the left outside strengthening web of back segment 11, the right outer strengthening web 12 of back segment, bale of pipeline is fixed passage 13, is installed fixing under battery
Face 14, triangle reinforcing plate 15.
Detailed description of the invention
Below in conjunction with brief description and detailed description of the invention, the present invention is described in further detail.
See Fig. 1, Fig. 3 and Fig. 5, a kind of pure electronic two-stage stepping bus frame, and in half bearing type passenger car technology
Body frame structure for automotive, particularly relate to the pure e-bus body frame structure for automotive of a kind of middle-size and small-size two-stage stepping；Including the left longeron of leading portion
1st, the left longeron 5 of longeron the 4th, back segment and back segment right vertical beam 6 under longeron the 3rd, two stage casings on leading portion right vertical beam the 2nd, two stage casings.Described
The left longeron of leading portion 1 and leading portion right vertical beam 2 cross section at front axle centre is Z-type camber beam structure of turning up；The i.e. left longeron of leading portion the 1st, leading portion
Right vertical beam 2 at propons passenger passageway for Z-type overall structure of turning up, plane on the left longeron of leading portion the 1st, leading portion right vertical beam 2 straightway
Terrain clearance value remains unchanged, and camber beam structure can meet when suspension system layouts in the case of multiple I-beam propons drop values
Dynamic range demands, so that the structure of suspension is constant, meets front suspension and moves range demands, it is achieved two-stage at car load passenger doors
Mark time；Meanwhile, Z-type Eversible structure makes the left longeron of leading portion the 1st, leading portion right vertical beam 2 exist when maintaining front suspension system structure constant
At front axle centre, passenger passageway width value H1 is enlarged to 720mm by 630mm, and passenger passageway is widened.And leading portion left longeron 1 He
Leading portion right vertical beam 2 is molded for unitary mould, and structural strength, processing performance level are more preferable.
Seeing Fig. 1 and Fig. 4, the left longeron of described leading portion the 1st, leading portion right vertical beam 2 rear end face is directly through with front middle connecting segment
Crossbeam 7 closes welding, and on the left longeron of leading portion the 1st, leading portion right vertical beam 2 back segment, plane is less than plane on the through crossbeam of front middle connecting segment 7；
And on the left longeron of leading portion 1 and leading portion right vertical beam 2 back segment plane and level difference H2 on the through crossbeam of front middle connecting segment 7 for for
Skeleton square tube above-below direction height value at the bottom of vehicle body and bracket web thickness summation.Longeron 3 and front middle connecting segment on described stage casing
The welding of through crossbeam 7 phase and both upper planes are concordant, concrete by skeleton at the bottom of longeron medial plane 9 on stage casing and vehicle body outside
Square tube phase is welded；End skeleton and longeron 3 on stage casing in the middle of vehicle body are become one structure.Therefore the left longeron of leading portion 1 and front
On the front section bicycle frame that section right vertical beam 2 is formed, plane and level difference H2 on the vehicle frame of stage casing are that skeleton square tube Z-direction at the bottom of vehicle body is high
Angle value and bracket web thickness summation, i.e. on the longeron of stage casing, plane exceeds plane and height difference H2 on longitudinal beam at front section of automobile is at the bottom of vehicle body
Skeleton square tube Z-direction height value and bracket web thickness summation；Hence in so that skeleton lower plane at the bottom of vehicle body leading portion is directly against being combined in position
On front section of vehicle frame, plane bracket web surface is welded and fixed, eliminate height difference too big when at end skeleton lower plane and car
Increase the loaded down with trivial details structure of short column between plane on frame；And plane on longeron on plane and vehicle frame stage casing on skeleton at the bottom of body center portion
Concordant and be welded and fixed that to achieve car load floor level be straight floor panel structure.
See Fig. 1, described stage casing is provided with outside longeron 3 triangle and strengthens raker beam 10 and the through horizontal stroke of front middle connecting segment
Beam 7 is connected, and triangle is strengthened plane on raker beam 10 crossbeam 7 through with front middle connecting segment and kept concordant.Triangle strengthens diagonal brace
Beam 10 strengthens structure and connects.
See Fig. 1 and Fig. 3, described front middle connecting segment through crossbeam 7 lower aerofoil respectively with longeron under stage casing 4 and front middle company
The laminating of the section of connecing sill 8 top airfoil is welded and fixed, and longeron 4 and the laminating of front middle connecting segment sill 8 side under stage casing is welded and fixed.
Further, under described stage casing, longeron 4 lateral surface passes through triangle reinforcing plate 15 and the weldering of front middle connecting segment through crossbeam 7 lower aerofoil
Connecing and being connected to a fixed, form a closed loop configuration, it is achieved that Three-dimensional Rigidity connects, structural reliability is high.
Seeing Fig. 1 to Fig. 4, on the left longeron of described leading portion the 1st, leading portion right vertical beam the 2nd, stage casing, under longeron the 3rd, stage casing, longeron is the 4th, front
The 8th, middle connecting segment sill is welded as a whole structure by the through crossbeam of front middle connecting segment 7, and strengthens diagonal brace by triangle
Structure is strengthened by beam 10 and triangle reinforcing plate 15；And stage casing Vehicle Frame Design is direct and body frame Integrated design, really does
Increase car inner height, lightweight are arrived.
See Fig. 1 and Fig. 2, on described stage casing under longeron the 3rd, stage casing longeron 4 and the left longeron of back segment the 5th, back segment right vertical beam 6 it
Between be provided with longitudinal coincidence transition linkage section L.On longitudinal coincidence transition linkage section L stage casing, longeron 3 lower aerofoil is directly and back segment
Left longeron the 5th, back segment right vertical beam 6 top airfoil is fitted and is welded and fixed, under stage casing longeron 4 top airfoil directly and the left longeron of back segment the 5th, after
Section right vertical beam 6 lower aerofoil is fitted and is welded and fixed.
See Fig. 1 and Fig. 2, longeron 4 and back segment under longeron the 3rd, stage casing on described longitudinal direction coincidence transition linkage section L stage casing
Being provided with the left outside strengthening web of back segment 11 between the left outside side of left longeron 5, i.e. on stage casing, under longeron the 3rd, stage casing, longeron 4 and back segment are left
Utilize welding and riveting method to fix by back segment left outside strengthening web 11 between longeron 5 to strengthen；On stage casing under longeron the 3rd, stage casing
It is provided with the right outer strengthening web 12 of back segment between longeron 4 and the right lateral surface of back segment right vertical beam 6, i.e. vertical under longeron the 3rd, stage casing on stage casing
Utilized by the right outer strengthening web 12 of back segment between beam 4 and back segment right vertical beam 6 and weld strengthen fixing with riveting method；And this fixes
Mode may extend into truss and is connected with groove-shaped longitudinal beam.
See Fig. 1, in upper-lower height locational space battery arrangement on stage casing under longeron 3 and stage casing between longeron 4；At horizontal stroke
About when arranging non-through, refer to the left side at left and right width spaces battery arrangement longeron 4 under longeron 3 and stage casing on stage casing
Right both sides, and install for piecemeal, the uneasy packed battery of vehicle frame left and right central space.Longeron under longeron the 3rd, two stage casings on two stage casings
The spacing of 4 short transverses is battery setting height(from bottom), and on stage casing, longeron 3 and skeleton at the bottom of vehicle body become one formula structural flooring plane
Stationary plane 14 is installed under battery while rising also raise, improves the terrain clearance installing stationary plane 14 under battery, improve
Car load by property, improve battery waterproof and anti-and the security such as collide with.It is provided with bale of pipeline in the middle part of described vehicle frame to fix
Passage 13, refers on stage casing longeron 4 left and right directions middle position between the two under longeron 3 and stage casing in the middle part of vehicle frame herein
Put；Described bale of pipeline is fixed passage 13 and is positioned at middle part truss, through front and back and be structure as a whole at fore-and-aft direction；In herein
Portion's truss refers on stage casing longeron 4 left and right directions medium position between the two under longeron 3 and stage casing.Bale of pipeline fixes passage 13
Meet pipeline electric wire to tie up, fix safely, realize the aeration-cooling function to battery and electric wire simultaneously.
See Fig. 1 and Fig. 5, present invention employs turn up camber beam, back segment groove-shaped longitudinal beam structure of leading portion and be easy to car load factory the end of to
Dish is reequiped, and skeleton structure at the bottom of the vehicle body of car load front and rear part can keep bilateral beam type partly to carry reliability of structure, it is ensured that
Antitorque, bending rigidity requires；And front and back section be turn up the combined frame structure that trough girder combines with stage casing truss more can be with body
Existing pure Electric Transit intensity is high, lightweight, the feature of easy care；And in the middle part of vehicle frame, use the structure of truss-like to be beneficial to battery
Install fixing, stage casing horizontal space can be made full use of.Therefore the symmetrical grooved main beam structure of set of the present invention is reliable and purlin
Shelf structure is easy to the advantage carrying out three electricity general arrangements；Before, during and after for, the connection fixed form of section vehicle frame requires reliable, overall
Structure achieves Electric City Bus to fat pipe, middle cell at passenger's on-board and off-board door two-stage stepping, car load front wheel housing
Road clearance is big, car load lightweight, by the good requirement of property, meet car load factory and carry out on centering small-sized pure electric public transport chassis
Demand to body frame structure for automotive during repacking.
Above content is to combine concrete preferred embodiment further description made for the present invention, it is impossible to assert
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of without departing from present inventive concept, can also make some simple deduction or replace, said structure all should be considered as belonging to
Protection scope of the present invention.
Claims (8)
1. a pure electronic two-stage stepping bus frame, including the left longeron of leading portion（1）, leading portion right vertical beam（2）, vertical on stage casing
Beam（3）, longeron under stage casing（4）, the left longeron of back segment（5）, back segment right vertical beam（6）, the through crossbeam of front middle connecting segment（7）With front middle company
The section of connecing sill（8）, it is characterised in that：The left longeron of described leading portion（1）With leading portion right vertical beam（2）At front axle centre, cross section is
Turn up Z-type camber beam structure.
2. the pure electronic two-stage stepping bus frame of one according to claim 1, it is characterised in that：Described leading portion
Left longeron (1), leading portion right vertical beam（2）Rear end face directly with the through crossbeam of front middle connecting segment（7）Close welding, the left longeron of leading portion
(1), leading portion right vertical beam（2）On back segment, plane is less than the through crossbeam of front middle connecting segment（7）Upper plane, and the left longeron of leading portion (1) and
Leading portion right vertical beam（2）Plane and the through crossbeam of front middle connecting segment on back segment（7）Upper level difference is skeleton square tube at the bottom of vehicle body
Above-below direction height value and bracket web thickness summation, longeron on described stage casing（3）The through crossbeam with front middle connecting segment（7）Phase
Welding and both upper planes are concordant.
3. the pure electronic two-stage stepping bus frame of one according to claim 2, it is characterised in that：Described stage casing
Upper longeron（3）Outside is provided with triangle and strengthens raker beam（10）The through crossbeam with front middle connecting segment（7）It is connected, and triangle is strengthened
Raker beam（10）The through crossbeam with front middle connecting segment（7）Upper plane keeps concordant.
4. the pure electronic two-stage stepping bus frame of one according to claim 1, it is characterised in that：In before described
The through crossbeam of linkage section（7）Lower aerofoil respectively with longeron under stage casing（4）With front middle connecting segment sill（8）Top airfoil laminating welding
Fixing, longeron under stage casing（4）With front middle connecting segment sill（8）Side laminating is welded and fixed.
5. the pure electronic two-stage stepping bus frame of one according to claim 4, it is characterised in that：Described stage casing
Lower longeron（4）Triangle reinforcing plate is passed through in outside（10）The through crossbeam with front middle connecting segment（7）Lower aerofoil is connected.
6. the pure electronic two-stage stepping bus frame of one according to claim 1, it is characterised in that：Described stage casing
Upper longeron（3）, longeron under stage casing（4）The left longeron with back segment（5）, back segment right vertical beam（6）Between be provided with longitudinal coincidence transition even
The section of connecing.
7. the pure electronic two-stage stepping bus frame of one according to claim 6, it is characterised in that：Indulge described
Longeron on coincidence transition linkage section stage casing（3）, longeron under stage casing（4）The left longeron with back segment（5）It is provided with between left outside side
The left outside strengthening web of back segment（11）, longeron on stage casing（3）, longeron under stage casing（4）With back segment right vertical beam（6）Set between right lateral surface
It is equipped with the right outer strengthening web of back segment（12）.
8. the pure electronic two-stage stepping bus frame of one according to claim 1, it is characterised in that：Described vehicle frame
Middle part is provided with bale of pipeline and fixes passage（13）, described bale of pipeline fixes passage（13）Be positioned at middle part truss, through front and back and
It is structure as a whole at fore-and-aft direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790287.1A CN106428211B (en) | 2016-08-31 | 2016-08-31 | A kind of pure electric vehicle two-stage stepping bus frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610790287.1A CN106428211B (en) | 2016-08-31 | 2016-08-31 | A kind of pure electric vehicle two-stage stepping bus frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106428211A true CN106428211A (en) | 2017-02-22 |
| CN106428211B CN106428211B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610790287.1A Expired - Fee Related CN106428211B (en) | 2016-08-31 | 2016-08-31 | A kind of pure electric vehicle two-stage stepping bus frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106428211B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109318990A (en) * | 2018-08-29 | 2019-02-12 | 浙江中车电车有限公司 | A kind of automobile frame |
| CN109318991A (en) * | 2018-08-29 | 2019-02-12 | 浙江中车电车有限公司 | A kind of vehicle frame rear overhang segment structure |
| CN110053667A (en) * | 2018-01-19 | 2019-07-26 | 湖南中车时代电动汽车股份有限公司 | A kind of level-one is marked time car middle section vehicle frame |
| CN110588783A (en) * | 2019-09-23 | 2019-12-20 | 苏州奥杰汽车技术股份有限公司 | High strength frame and electric truck with integration design |
| US11447182B2 (en) * | 2019-01-17 | 2022-09-20 | Hyundai Motor Company | Truck frame |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106428211B (en) | 2019-02-01 |
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